Câu hỏi: I think the computer is such a              invention

A. useless

B. useful

C. use 

D. usage

Câu 1: 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 2: If you           a chance to study in the USA , just take it. 

A. get

B. got

C. had got

D. will get

Câu 3: Some people are born rich;           are born poor. 

A. another

B. the others

C. other

D. others 

Câu 4: Global warming is thought to be responsible for some of the world's recent          disasters. 

A. natured

B. naturalism

C. nature

D. natural 

Câu 5: Sarah couldn't meet us,           was a pity. 

A. what

B. which 

C. that 

D. it 

Câu 6: Nam didn't go to the party because he __________.

A. didn't invited 

B. wasn't invited 

C. hadn't invited

D. isn't invited