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

A. global 

B. globe 

C. globalist

D. globalize

Câu 2: Recent             advances such as the internet are proving very useful for conservationists.

A. technology

B. technological

C. technologically

D. technologist

Câu 3: There are 350 ________ in the environmental skills course

A. participate 

B. participant 

C. participants

D. participation

Câu 4: 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 5: There's no point in persuading Jane to change her mind. 

A. No one wants Jane to change her mind because it's pointless.

B. It's possible for us to persuade Jane to change her mind.

C. Jane will change her mind though she doesn't want to.

D. It's useless to persuade Jane to change her mind.

Câu 6: It's a basic requirement in the modern world to be able to deal with figures. 

A. Dealing with the modern world requires a basic knowledge of figures. 

B. Being able to deal with figures is a basic requirement in the modern world.

C. The world requires us to have a basic understanding of figures.

D. Dealing with figures requires a basic knowledge of the modern world.