Câu hỏi: Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.

A. as

B. so poor

C. has to

D. successful

Câu 1: _________, we couldn’t make out the gist of the passage.

A. Due to Romeo’s carefully explanations

B. Though carefully explained by Romeo

C. Carefully as Romeo explained

D. As Romeo carefully explained

Câu 2: I and Kenny______ pen pal friends since I_______ Singapore.

A. are/ visit

B. were/ have visited

C. were/ visited

D. have been/ visited

Câu 3: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. are

B. industrial

C. problems

D. with

Câu 4: I don't mind ______ you ______ the washing up.

A. helping/ doing

B. help/ do

C. to help/ to do

D. helping/ do

Câu 5: _____ tennis is my favourite sport. I play once or twice _____ week if I can, but I'm not _____ very good player.

A. x/ a/ the

B. x/ the/ a

C. x/ a/ a

D. a/ x/ the

Câu 6: He is very keen______ English, but he is not good ______ listening.

A. on/ at

B. on/ in

C. at/ on

D. at/ at