Câu hỏi:

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

A. change

B. kind

C. type

D. collectio

Câu 1:

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

A.  threat

B.  threaten

C.  threatening

D.  threateningly

Câu 2:

Work on the production line is monotonous and lacks _______.

A.  variety

B.  various

C.  varied

D.  variable

Câu 3:

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 4:

Man and most animals need a constant supply of water to live.

A. uniform

B. changeless

C. true

D. steady

Câu 5:

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 6:

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

A.  conserve

B.  disease

C. wildlife

D.  expand