Câu hỏi: 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 1: 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.

Câu 2: "Please don't drive so fast, Tom," said Lisa

A. Lisa complained about Tom's driving too fast

B. Lisa pleaded with Tom to drive fast

C. Lisa insisted on Tom's driving on

D. Lisa begged Tom not to drive so fast.

Câu 3: When I arrived, they were having dinner. 

A. They ate their dinner as soon as I arrived.

B. When they started having their dinner, I arrived.

C. I came in the middle of their dinner.

D. They invited me to dinner

Câu 4: The creation of nature reserves will help to ensure the _____ of many endangered species. 

A. survive

B. survival

C. survivor

D. survivable

Câu 5: The council intends to raise awareness of the effects of traffic pollution on our          

A. health 

B. healthy

C. unhealthy

D. healthful

Câu 6: There are 350 ________ in the environmental skills course

A. participate 

B. participant 

C. participants

D. participation