Câu hỏi: Dinosaurs became extinct millions of years ago because of the earth's climate changed drastically.

A. became extinct

B. because of

C. The earth’s

D. drastically

Câu 1: The student must have her assessment form fill in by the examiner during the oral exam.

A. The student

B. fill in

C. the

D. oral exam

Câu 2: The amount of women earning Master's Degrees has risen sharply in recent years.

A. The amount of

B. Master’s

C. has risen

D. recent years

Câu 3: Neither his parents nor his teacher are satisfied with his result when he was at school.

A. neither

B. nor

C. are

D. with

Câu 4: Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

A. Because

B. different

C. can occur

D. and

Câu 5: Looking from afar, the village resembles a small green spot dotted with tiny fireballs.

A. Looking

B. the village

C. dotted

D. fireballs

Câu 6: I was amazed that Smith showed so few grief at his mother’s death.

A. was

B. amazed

C. showed

D. few