Câu hỏi: She got a terrible mark in the exam so she ........ very hard at all.

A. mustn’t have worked

B. can’t have worked

C. didn’t work

Câu 1: The charity is trying to find ways tosave and ............ the world’sendangered animal species. 

A. the charity is trying to find ways to protect

B. to find ways to protect

C. protect

Câu 2: What ........... in order to get a permitto work in your country?

A. do I need to do

B. must I do

C. ought I do 

Câu 3: The government has released some ................... data showing how schools arenot providing an adequate education to our children.

A. shocking

B. shock

C. shocked

Câu 4: I can’t pick you up from the station onWednesday because ............ on thatday.

A. I’m fixing my car

B. I’m having my car fixed

C. I need my car fixed

Câu 5: A recent government report has warnedthat ...................... we act immediately to reduce pollution, there will be serious consequences, for the planet.

A. provided that 

B. in case

C. unless

Câu 6: Many children these days do not have ahealthy diet................ is possible thatthis is because less healthy foods are cheaper than healthy ones. 

A. What

B. That

C. It