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

A. raised

B. rose

C. fell

D. faced

Câu 2: I was very sad when the vet said he’d have to _____ Gertie, our lapdog.

A. put down

B. fell up to

C. pull through

D. wear off

Câu 3: My father is in_______ of 30 engineers and 80 workers.

A. pressure

B. leadership

C. impression

D. charge

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: 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 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