Câu hỏi: He has been very interested in doing research on _______ since he was at high school.

A. biology

B. biological

C. biologist

D. biologically

Câu 1: Can you tell me who is responsible ______ checking passports?

A. to

B. in

C. about

D. for

Câu 2: Most doctors and nurses have to work on a _______ once or twice a week at the hospital.

A. solution

B. night shift

C. household chores

D. special dishes

Câu 3: What are the _______ of that country? - I think it is some kinds of cheese and sauces.

A. drinks

B. beverages

C. grains

D. special dishes

Câu 4: Whenever problems come up, we discuss them frankly and find solutions quickly.

A. happen

B. encounter

C. arrive

D. clean

Câu 5: She got up late and rushed to the bus stop. (Mark the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.)

A. came into

B. went leisurely

C. went quickly

D. dropped by

Câu 6: It is parents' duty and responsibility to _______ hands to take care of their children and give them a happy home.

A. shake

B. hold

C. join

D. take