Câu hỏi: The doctor spent 10 minutes examining the patient.

A. It took the doctor 10 minutes examining the patient.

B. It took the doctor 10 minutes to examine the patient.

C. It took the doctor 10 minutes examine the patient.

D. It took the doctor 10 minutes to examining the patient.

Câu 1: Many Vietnamese people ______ their lives for the revolutionary cause of the nation.

A. sacrifice

B. sacrificed

C. sacrificial

D. sacrificially

Câu 2: She is never willing _______ any personal question.

A. answer

B. to answer

C. answering

D. answered

Câu 3: Monkeys can’t sing, ______________?

A. can they

B. can it

C. can’t they

D. can’t it

Câu 4: John: What an attractive hair style you have got, Mary!

A. Thank you very much. I am afraid.

B. You are telling a lie.

C. Thank you for your compliment.

D. I don't like your sayings.

Câu 5: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

Câu 6: The new employees enjoyed their first day at work, although everyone agreed that the lunch was the bad food they had ever eaten.

A. The new

B. their first

C. that

D. the bad