Câu hỏi: My mother is very busy at work . However, she takes good care of her children.

A. Although my mother is very busy at work, but she takes good care of her children.

B. In spite of busying at work, my mother takes good care of her children.

C. My mother takes good care of her children but she is very busy at work.

D. Despite being busy at work, my mother takes good care of her children.

Câu 1: Jack’s watch was ten minutes slow. That was why he was late for his interview.

A. If Jack’s watch hadn’t been ten minutes slow, he wouldn’t be late for his interview.

B. If Jack’s watch hadn’t been ten minutes slow, he wouldn’t have been late for his interview

C. If Jack hadn’t been late for his interview, his watch wouldn’t have been ten minutes slow

D. If Jack’s watch weren’t ten minutes slow, he wouldn’t be late for his interview.

Câu 2: "Let's go out for a walk now," he suggested.

A. He suggested going out for a walk then.

B. He suggested to go out for a walk then.

C. He suggested them to go out for a walk then.

D. He suggested them going out for a walk then.

Câu 3: I can’t help feeling worried about David.

A. I find it impossible not to worry about David

B. I don’t worry about David.

C. I can do nothing to help David.

D. I cannot help David stop worrying.

Câu 4: Books help broaden the mind. Books also provide a good source of entertainment.

A. Books help broaden the mind, but they provide a good source of entertainment.

B. Books help broaden the mind, and they provide a good source of entertainment.

C. Books help broaden the mind, for they provide a good source of entertainment.

D. Books help broaden the mind, or they provide a good source of entertainment

Câu 5: He did not work hard. He failed the exam.

A. Unless he had worked hard, he would have failed the exam.

B. Even though he failed the exam, he didn’t work hard.

C. If he had worked hard, he would have passed the exam.

D. However hard he worked, he failed the exam.

Câu 6: We got lost because we forgot to take a map with us.

A. Unless we had forgotten to take the map with us, we would have got lost

B. If we had remembered to take a map with us, we wouldn't have got lost.

C. Had we not forgotten to take the map with us, we would have got lost.

D. If we had remembered to take a map with us, we would have got lost