Câu hỏi: The creation of nature reserves will help to ensure the _____ of many endangered species. 

A. survive

B. survival

C. survivor

D. survivable

Câu 1: Deforestation in South America is an issue of ____ importance. 

A. global 

B. globe 

C. globalist

D. globalize

Câu 2: There are 350 ________ in the environmental skills course

A. participate 

B. participant 

C. participants

D. participation

Câu 3: Because they erected a barn, the cattle couldn't get out into the wheat field. 

A. In order not to keep the cattle away from the wheat field, they erected a barn

B. They erected a barn in case the cattle couldn't get out into the wheat field.

C. They erected a barn so that the cattle would get in to the wheat field. 

D. They erected a barn, and as a result, the cattle couldn't get out into the wheat field. 

Câu 4: "We're having a reunion this weekend. Why don't you come?" John said to us.

A. John simply asked us why we wouldn't come to a reunion.

B. John didn't understand why we came to a reunion

C. John suggested that we should come to a reunion that weekend.

D. John asked us why they didn't come to a reunion this weekend.

Câu 5: Recent             advances such as the internet are proving very useful for conservationists.

A. technology

B. technological

C. technologically

D. technologist

Câu 6: Her sister is too young to get married.

A. Her sister is not old enough to get married.

B. Her sister is so old to get married.

C. Her sister is not young enough to get married. 

D. Her sister is young enough to get married.