1.
When James finishes weeding the garden, he ___ the grass in the front yard.
Correct Answer
D. Will cut
Explanation
The correct answer is "will cut" because it indicates a future action that will happen after James finishes weeding the garden. It implies that cutting the grass in the front yard is the next task on James' to-do list.
2.
Until my brother went to Brazil last year, he ___ outside of the United States.
Correct Answer
C. Had never been
Explanation
The correct answer is "had never been". This is because the sentence is referring to an event that happened before another past event (my brother going to Brazil). The past perfect tense "had never been" is used to indicate that the action of not being outside of the United States occurred before the past event of my brother going to Brazil.
3.
Ever since Nona moved back to Nebraska, she ___ a lot of problems with allergies.
Correct Answer
B. Has had
Explanation
The phrase "Ever since" indicates a time frame that started in the past and continues into the present. Therefore, the present perfect tense ("has had") is appropriate because it refers to an action or condition that started in the past and still affects the present. "Had" refers to a completed action in the past, "is having" indicates something happening right now, and "has" does not work grammatically in this context. Thus, the correct answer is: "has had."
4.
Podcasts on the internet allow people to listen to their favorite radio programs whenever they ___ to.
Correct Answer
A. Want
Explanation
Podcasts on the internet allow people to listen to their favorite radio programs whenever they want to. The word "want" is the correct answer because it is the present tense form of the verb, which matches with the present tense of the sentence. The other options, "wanted," "are wanting," and "will want," are in past tense, present continuous tense, and future tense respectively, which do not fit grammatically in the given sentence.
5.
By the time the police arrived at the bank, the robbers ___ with thousands of dollars in cash.
Correct Answer
B. Had escaped
Explanation
The correct answer is "had escaped". This is because the sentence is in the past perfect tense, indicating that the action of the robbers escaping had already occurred before the police arrived at the bank.
6.
Scrabble is a word game, while Sudoku ___.
Correct Answer
B. Is a number game
Explanation
In the sentence "Scrabble is a word game, while Sudoku is a number game," the phrase "while Sudoku is a number game" is an adverb clause of contrast. It contrasts the two activities by highlighting the difference between them—Scrabble being a word game and Sudoku being a number game. The conjunction "while" introduces this contrast, making the adverb clause dependent on the main clause for its full meaning.
7.
George drives an old Ford, while Bill drives ___.
Correct Answer
C. A new Mercedes
Explanation
The given correct answer suggests that Bill drives a new Mercedes. This is inferred from the statement that George drives an old Ford, implying that Bill drives a different car. The phrase "a new Mercedes" indicates that Bill's car is a Mercedes and it is new, contrasting with George's old Ford.
8.
While some older people have difficulty with email and text messaging, most young people ___.
Correct Answer
D. Use them easily all the time
Explanation
Young people are generally adept at using email and text messaging. This is in contrast to older individuals who may struggle with these forms of communication. The phrase "use them easily all the time" suggests that young people have no difficulty in utilizing email and text messaging on a regular basis.
9.
While my younger sister ___, my older sister doesn't have any children.
Correct Answer
A. Has two daughters
Explanation
The given correct answer suggests that the younger sister has two daughters, which is in contrast to the older sister who does not have any children. This implies that the older sister does not have any offspring, while the younger sister has two daughters.
10.
A gas-powered car uses only gasoline to run the engine, while a hybrid car runs on ___.
Correct Answer
B. Both gasoline and electric power
Explanation
A gas-powered car uses only gasoline to run the engine, while a hybrid car runs on both gasoline and electric power. Hybrid cars have a combination of a gasoline engine and an electric motor, allowing them to switch between the two power sources depending on the driving conditions. This dual power system in hybrid cars provides better fuel efficiency and lower emissions compared to gas-powered cars, making them more environmentally friendly.