Câu hỏi: Please don’t ______ a word of this to anyone else, it’s highly confidential.

A. speak

B. pass

C. mutter

D. breathe

Câu 1: 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 2: The world’s biodiversity is declining at an unprecedented rate, which makes wildlife ________.

A. prosperous

B. vulnerable 

C. prefect

D. remained

Câu 3: 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 4: 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 5: The climate is not dry at all; in fact, they have ____ of water.

A. a redundancy

B. an abundance

C. a deficiency

D. a mixture

Câu 6: Many young people in rural areas don't want to spend their lives on the farm like ______ parents.

A. weather-beaten

B. up-to-date

C. long-term

D. wide-range