Câu hỏi: When many of my friends take a shower in the morning, I usually take one before bed.

A. When

B. many of my friends

C. one

D. before bed

Câu 1: 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 2: I like the fresh air and green trees of the village which I spent my vacation last year.

A. I like

B. which

C. spent

D. last

Câu 3: Although Nam worked very hard, but he didn’t pass the final exam.

A. Although

B. hard

C. didn’t

D. pass

Câu 4: The Greek historian Herodotus reported that one hundred thousand men are employed for twenty years to build the Great Pyramid at Gizeh.

A. are

B. for

C. to build

D. at Gizeh

Câu 5: Some people often say that using cars is not as convenient than using motorbikes.

A. some

B. say

C. than

D. is

Câu 6: There is a severe famine in Somalia, and thousands of people are dying from hunger.

A. There is

B. thousands of people

C. are dying

D. from hunger