Câu hỏi: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

Câu 1: She is never willing _______ any personal question.

A. answer

B. to answer

C. answering

D. answered

Câu 2: The Sun is _______ bright to look at directly.

A. such

B. too

C. so

D. enough

Câu 3: 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 4: Sometimes I do not feel like _______ to my sibling about my troubles.

A. talk

B. to talk

C. talking

D. talked

Câu 5: Many Vietnamese people ______ their lives for the revolutionary cause of the nation.

A. sacrifice

B. sacrificed

C. sacrificial

D. sacrificially

Câu 6: The worker was _______ his boss expected, so he was offered a raise.

A. more hard-working

B. as hard-working than

C. more hard-working than

D. more hard-working as