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

A. back

B. store

C. save

D. copy

Câu 1: 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 2: 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 3: My cousin was nervous about being interviewed on television, but he ______ to the occasion wonderfully.

A. raised

B. rose

C. fell

D. faced

Câu 4: The world’s biodiversity is declining at an unprecedented rate, which makes wildlife ________.

A. prosperous

B. vulnerable 

C. prefect

D. remained

Câu 5: Silence __________ the theatre as the audience awaited the opening curtain with expectation and excitement.

A. fell in with

B. came between

C. hung over

D. dropped out of

Câu 6: A _____ is a tube through which a person swimming just under the surface of the sea can breathe.

A. maneuver

B. photograph

C. volume

D. snorkel