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

A. talk

B. talked

C. have talked

D. are talking

Câu 1: I think the computer is such a              invention

A. useless

B. useful

C. use 

D. usage

Câu 2: It is imperative that this letter           immediately.

A. were sent

B. be sent 

C. sent

D. send

Câu 3: Sarah couldn't meet us,           was a pity. 

A. what

B. which 

C. that 

D. it 

Câu 4: ____of the newspapers in the world are written in English. 

A. Three quarter

B. Three fourths

C. Three fourth 

D. Third four 

Câu 5: Mary showed me some pictures           by her father. 

A. painted

B. painting

C. they were painted 

D. that painted

Câu 6: 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