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

A. at

B. on

C. in.

Câu 2: ................  I can’t go to the conference as I’ve got to do to Sydney on business.

A. Frankly 

B. Unfortunately 

C. Personally

Câu 3: 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 4: Do you have any knowledge …………….how our education system works?

A. of

B. on

C. for

Câu 5: You really should go to Namibia. The scenery is ................. stunning and thepeople are very friendly.

A. very

B. fairly

C. absolutely

Câu 6: If I didn’t have to work tonight, .................

A. I’d be able to relax now.

B. I’m able to relax now.

C. I’ll be able to relax now.