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

A. although

B. because

C. so

Câu 1: This factory produces some of .............. cameras in the world.

A. best

B. the best

C. the most best

Câu 2: The government has released some ................... data showing how schools arenot providing an adequate education to our children.

A. shocking

B. shock

C. shocked

Câu 3: ………… people live in the countrysidethan 100 years ago.

A. Less

B. Few

C. Fewer

Câu 4: ................  I can’t go to the conference as I’ve got to do to Sydney on business.

A. Frankly 

B. Unfortunately 

C. Personally

Câu 5: Scientists finally ............... find a curefor the disease after years of research.

A. managed to

B. can

C. could

Câu 6: 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