Câu hỏi: Working provide people with personal satisfaction as well as money.

A. provide

B. with

C. satisfaction

D. well

Câu 1: 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 2: 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 3: How much times did Rich and Jennifer have to do the experiment?

A. much

B. did

C. have to

D. experiment

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: 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 6: When precipitation occurs, some of it evaporates, some runs off the surface it strikes, and some sinking into the ground.

A. When

B. it

C. runs off

D. sinking