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: He is a _______ boy. He is often kind and helpful to every classmate.

A. frank

B. lovely

C. obedient

D. caring

Câu 2: 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 3: Peter tried his best and passed the driving test at the first _______.

A. try

B. attempt

C. doing

D. aim

Câu 4: Are you sure that boys are more _______ than girls?

A. act

B. active

C. action

D. activity

Câu 5: Steve is a good ________ man, completely devoted to his wife and kids.

A. free

B. hard

C. single

D. family

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