Câu hỏi: It is imperative that this letter           immediately.

A. were sent

B. be sent 

C. sent

D. send

Câu 1: Sarah couldn't meet us,           was a pity. 

A. what

B. which 

C. that 

D. it 

Câu 2: A year ago he left EMI and formed a new company , New Media Systems, which ______ in multimedia programmes. 

A. specializes 

B. focuses

C. concentrates

D. delicates

Câu 3: He went on doing it                 our protests

A. owing to 

B. because

C. instead of

D. in spite of

Câu 4: At lon ____the government is starting to listen to our problems. 

A. late 

B. last

C. first

D. way 

Câu 5: Listen ! They _________ about the exhibition. Let's join them. 

A. talk

B. talked

C. have talked

D. are talking

Câu 6: She wanted to know             in my spare time. 

A. what I did 

B. what did I do

C. what I do

D. what do I do