Câu hỏi: I think the computer is such a              invention

A. useless

B. useful

C. use 

D. usage

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

A. what

B. which 

C. that 

D. it 

Câu 2: 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

Câu 3: I used to enjoy the summer_______we had a big family picnic. 

A. where 

B. when 

C. which

D. why

Câu 4: Some people are born rich;           are born poor. 

A. another

B. the others

C. other

D. others 

Câu 5: It is high time we            him like a child

A. stopped treating

B. stop to trea

C. stopping to treat

D. stop treating

Câu 6: It is such an easy and _______ way to write a letter. 

A. pain

B. painless

C. painful 

D. painfully