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

A. Frankly 

B. Unfortunately 

C. Personally

Câu 1: Scientists finally ............... find a curefor the disease after years of research.

A. managed to

B. can

C. could

Câu 2: I’m aiming ........... a band 7 in IELTS.

A. on

B. for

C. to

Câu 3: She got a terrible mark in the exam so she ........ very hard at all.

A. mustn’t have worked

B. can’t have worked

C. didn’t work

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: I know it’s not much of a present but I made it .............

A. me

B. myself

C. by myself

Câu 6: Learning a foreign language is important because it helps you to understand othercultures better. …………. it can be auseful skill in many areas of work.

A. However

B. Despite this

C. In addition