Câu hỏi: He last had his blood tested ten months ago. 

A. He had his blood tested every ten months.

B. He has had his blood tested for ten months.

C. He hasn't had his blood tested for ten months. 

D. He didn't have any tests on his blood in ten months.

Câu 1: He knew it was time to lose some weight. 

A. He had lost some weight.

B. He went on a diet to lose his weight.

C. He realized that he should lose some weight. 

D. He must have lost some weight.

Câu 2: He talked about nothing except the weather

A. He had nothing to say about the weather. 

B. He talked about everything including the weather. 

C. His sole topic of conversation was the weather. 

D. He said that he had no interest in the weather. 

Câu 3: The creation of nature reserves will help to ensure the _____ of many endangered species. 

A. survive

B. survival

C. survivor

D. survivable

Câu 4: Recent             advances such as the internet are proving very useful for conservationists.

A. technology

B. technological

C. technologically

D. technologist

Câu 5: Deforestation in South America is an issue of ____ importance. 

A. global 

B. globe 

C. globalist

D. globalize

Câu 6: They couldn't climb up the mountain because of the storm. 

A. The storm prevented them from climbing up the mountain. 

B. The storm helped them to climb up the mountain. 

C. The storm made it not capable of climbing up the mountain. 

D. They kept on climbing up the mountain inspite of the storm.