Câu hỏi: Doctors have ….........us to cut downon salt in our diets if we want to reduce the risk of getting heart disease.

A. insisted 

B. suggested

C. advised

Câu 1: When you write your essays you ............. copy ideas from books without referencing them properly.

A. mustn’t

B. don’t have to.

C. have to

Câu 2: 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 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: In the past we threw a lot of ourkitchen waste away, but today many items such as plastic bottles and newspapers .............. 

A. are recycled

B. recycle

C. need recycling

Câu 5: ………… people live in the countrysidethan 100 years ago.

A. Less

B. Few

C. Fewer

Câu 6: These drugs are the best medicine available as a treatment at the moment, ............ they are expensive, unfortunately.

A. although

B. because

C. so