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: 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 2: 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 3: Do you have any knowledge …………….how our education system works?

A. of

B. on

C. for

Câu 4: ………this newspaper report, more women smoke than men nowadays.

A. Apparently

B. According to

C. Supposedly

Câu 5: What will you do if ................

A. you don’t get a good IELTS score?

B. you didn’t get a good IELTS score?

C. you won’t get a good IELTS score?

Câu 6: 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