Câu hỏi: Where is Jimmy? - He is ____ work. He is busy ____ his monthly report.

A. on / for

B. in / about

C. to / through

D. at / with

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

A. to

B. in

C. about

D. for

Câu 2: 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 3: He has been very interested in doing research on _______ since he was at high school.

A. biology

B. biological

C. biologist

D. biologically

Câu 4: Strong family ties provide us the love and _________ we need for a happy life.

A. secure

B. securing

C. security

D. securely

Câu 5: Whenever problems come up, we discuss them frankly and find solutions quickly.

A. happen

B. encounter

C. arrive

D. clean

Câu 6: Are you sure that boys are more _______ than girls?

A. act

B. active

C. action

D. activity