Câu hỏi:

He says he'll tell the authorities but it's just an empty ______.

A.  threat

B.  threaten

C.  threatening

D.  threateningly

Câu 1:

Phone me if there are any new _______.

A. develop

B. developed

C. developing

D. developments

Câu 2:

The loss of much forest is destroying Earth’s plant and animal variety.

A. change

B. kind

C. type

D. collectio

Câu 3:

Choose the word whose main stress is placed differently from the others in each group

A. illness

B. slowly

C. spoken

D. police

Câu 4:

Choose the word whose underlined part has a different pronunciation from the others in each group

A. pollute

B. develop

C. constant

D. provide

Câu 5:

Choose the word whose underlined part has a different pronunciation from the others in each group

A.  variety

B. pattern

C.  vary

D.  back

Câu 6:

Without plants, most water would run off as soon as it falls, taking away valuable soil.

A. costly

B. estimable

C. cherished

D. admirable