Câu hỏi: His work ______ new ground in the treatment of cancer. It is now giving many cancer victims hope of complete recovery.

A. broke

B. found

C. dug

D. uncovered

Câu 1: I’m a great believer in the _____ of reading books and taking up a sport, which offer you both knowledge and healthy.

A. benefits

B. exercises

C. practices

D. points

Câu 2: I’m not going to go ice skating! I’d only fall over and __________ a fool of myself.

A. create

B. show

C. do

D. make

Câu 3: The world’s biodiversity is declining at an unprecedented rate, which makes wildlife ________.

A. prosperous

B. vulnerable 

C. prefect

D. remained

Câu 4: Make sure you ______ up the data on your computer, because you might get a virus.

A. back

B. store

C. save

D. copy

Câu 5: The trouble with James is that he never __________on time for a meeting.

A. turns up

B. takes off

C. takes up

D. turns down

Câu 6: A true relationship is thought to be a friendship that may__________through changes in the lives of the friends.

A. entail

B. remain

C. endure

D. continue