Câu hỏi: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

Câu 1: John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car.

A. decide

B. decision

C. decisive

D. decisively

Câu 2: Most of us would maintain that physical ______ does not playa major part in how we react to the people we meet.

A. attract

B. attractive

C. attractiveness

D. attractively

Câu 3: The interviews with parents showed that the vast majority were _______ of teachers.

A. support

B. supportive

C. supporter

D. supporting

Câu 4: Many Vietnamese people ______ their lives for the revolutionary cause of the nation.

A. sacrifice

B. sacrificed

C. sacrificial

D. sacrificially

Câu 5: The Sun is _______ bright to look at directly.

A. such

B. too

C. so

D. enough

Câu 6: I like my work because I have the ______ to make my own decisions.

A. freed

B. freely

C. freedom

D. free