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: Billy, come and give me a hand with cooking. (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. help

B. prepared

C. be busy

D. attempt

Câu 2: Strong family ties provide us the love and _________ we need for a happy life.

A. secure

B. securing

C. security

D. securely

Câu 3: Let's wait here for her; I'm sure she'll turn up before long. (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. arrive

B. return

C. enter

D. visit

Câu 4: Peter tried his best and passed the driving test at the first _______.

A. try

B. attempt

C. doing

D. aim

Câu 5: 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 6: Can you tell me who is responsible ______ checking passports?

A. to

B. in

C. about

D. for