Câu hỏi: _______ sure that you follow the instructions carefully.

A. Believe

B. Try

C. Do

D. Make

Câu 1: Strong family ties provide us the love and _________ we need for a happy life.

A. secure

B. securing

C. security

D. securely

Câu 2: Doctors are supposed to _______ responsibility for human life.

A. do

B. take

C. rush

D. join

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: Ann is very ______. She takes part in numerous activities outside of school.

A. enjoyable

B. funny

C. outgoing

D. lively

Câu 5: 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

Câu 6: I clearly remember talking to him in a chance meeting last summer. (Mark the letter A, B, C, or D to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions.)

A. unplanned

B. deliberate

C. accidental

D. unintentional