1.
The Mayas are believed ________________ a hundred years before the Spaniards came over.
Correct Answer
C. To have dissappeared
Explanation
The correct answer is "to have disappeared." This is because the sentence is discussing a belief about the Mayas, indicating that something happened in the past. The phrase "to have disappeared" is the correct form of the verb to indicate an action that occurred before another event (the arrival of the Spaniards).
2.
Which sentence is NOT correct?
Correct Answer
D. They think don't really exist pure Mayas since they must have mixed with other cultures
Explanation
The sentence "They think don't really exist pure Mayas since they must have mixed with other cultures" is not correct because it has incorrect word order and grammar. The correct sentence would be "They think pure Mayas don't really exist nowadays since they mixed with other cultures."
3.
Which is the only sentence that IS CORRECT?
Correct Answer
A. They are used the dollars in El Salvador.
4.
The area in which the Caribbean Islands __________________ extends from the East of United States and the north part of Venezuela.
Correct Answer
B. Are located
Explanation
The correct answer is "are located." This is because the subject "The Caribbean Islands" is plural, so it requires the plural verb form "are." Additionally, the verb "located" is used to describe the position of the islands, indicating that they are currently situated in a specific area.
5.
New theory has revealed that Dinosaurs ________________________ because of a super giant volcano eruption in the area we know now as Yellowstone.
Correct Answer
B. May have dissappeared
Explanation
The correct answer is "may have disappeared." This is because the sentence is discussing a possibility in the past, indicating uncertainty. The phrase "may have" is used to express this uncertainty, and "disappeared" is the correct past participle form of the verb "to disappear."
6.
One of the biggest mysteries of modern history is the disappearance of MH370 flight of Malaysia Airline since no remains of the plane and people _______________________so far.
Correct Answer
A. Have been found
Explanation
The correct answer is "have been found." This is because the sentence is in the present perfect tense, indicating that the action of finding remains of the plane and people is ongoing or has happened in the past with a present impact. The phrase "so far" further suggests that the search for remains is still ongoing.
7.
How many mysteries do you think ______________still __________________?
Correct Answer
B. Are / unsolved
Explanation
The correct answer is "are / unsolved" because the question is asking for the number of mysteries that are currently unsolved. The word "are" is used to indicate the present tense, and "unsolved" is the appropriate adjective to describe the mysteries.
8.
The chief of the police department ____________ the DNA material ____________ by the criminology department last week.
Correct Answer
A. Had / analyzed
Explanation
The correct answer is "had / analyzed". This is because the sentence is in the past tense and the action of analyzing the DNA material occurred before the action of being the chief of the police department. Therefore, the correct verb tense to use is "had analyzed".
9.
Do you know where the new building _______________________? The committee decided on it yesterday, but I was not present.
Correct Answer
B. Is going to be constructed
Explanation
The correct answer is "is going to be constructed." This answer is appropriate because the sentence is discussing a future event. The use of "is going to" indicates a planned action that will happen in the future. The phrase "is going to be constructed" suggests that the new building has not yet been built but will be in the future.
10.
While the safe box ______________________ by the thieves, the police arrived and the shooting began. Two thieves were injured, and the three of them were arrested.
Correct Answer
A. Was being opened
Explanation
The correct answer is "was being opened". This is the correct answer because it indicates that the action of opening the safe box was in progress at the time the police arrived and the shooting began. The use of the past continuous tense "was being opened" suggests that the opening of the safe box was interrupted by the arrival of the police.