Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best joins each of the following pairs of sentences in each of the following questions
We arrived at airport. We realized our passports were still at home.
A.Not until we arrived at the airport did we realize that our passports were still at home.
B.We arrived at the airport and realized that our passports are still at home.
C.It was until we arrived at the airport that we realize our passports were still at home.
D.Not until had we arrived at the airport we realized our passports were still at home.

According to the passage, which of the following is NOT TRUE about Charles Darwin?
A.He himself paid a visit to the islands.
B.He found that the islands played important part in his discoveries.
C.He brought over new species to the islands.
D.He wrote about the Galapagos in his book.

The writer's purpose in writing this passage is to __________.
A.recommend people to come to the islands
B.blame Ecuador's government for the threats to wildlife
C.raise people's awareness of wildlife issues
D.show admiration to Darwin's research on the islands

The word "wonders" appearing in the passage is closest in meaning to __________.
A.wildlife reservations
B.entertainment centers
C.tourist destinations
D.beautiful scenes

According to the passage, marine life on the islands is threatened by __________.
A.alien animals
B.scientific research
C.tourism
D.illegal fishing

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions.
They protested about the inhumane treatment of the prisoners.
A.callous
B.warm-hearted
C.cold-blooded
D.vicious

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
I am more confident in class whenever I prepare for the lesson carefully.
A.The more carefully I prepare for the lesson, the more confident I am in class.
B.The more and more confident in class I am, the more and more carefully I prepare for the lesson.
C.The more confident I am in class, the more carefully the lesson I prepare.
D.The more carefully I am, the more confident the lesson is.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It wasn't necessary for you to do all this work, although you did it.
A.You mustn't have done all this work.
B.You may not have done all this work.
C.You couldn't have done all this work.
D.You needn't have done all this work.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Tomatoes ________ before they are completely ripe.
A.can pick
B.needn't pick
C.should be picking
D.can be picked

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The boys we met on the train ______ soldiers on leave. They were young, with very short haircuts.
A.had to be
B.could be
C.may be
D.may have been