Câu hỏi: 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

Câu 1: My parents encouraged .............. this course.

A. me to do 

B. me doing

C. me do

Câu 2: The bookshop …...........… the end of the road is excellent.

A. at

B. on

C. in.

Câu 3: 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 4: These drugs are the best medicine available as a treatment at the moment, ............ they are expensive, unfortunately.

A. although

B. because

C. so

Câu 5: 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 6: Do you have any knowledge …………….how our education system works?

A. of

B. on

C. for