If the wall weren't so high, he...

Câu hỏi: If the wall weren't so high, he _____ it up to take his ball down.

A. climbed

B.  could climb

C. is climbing

D. climb

A. Could you give me a lift

B.  Would you mind if I smoked

C. What do you plan to do

D. Would you like a cup of tea

A. have been/are built

B.  was/were built

C. was /would be built

D. had been/ were built