Researches show that the taller you are the more you are to suffer back pain.A. likelyB.

问题补充：

Researches show that the taller you are, the more you are to suffer back pain.

A. likely

B. possible

C. perhaps

D. probable

答案：

(答案→)A. likely

B. possible

C. perhaps

D. probable

解析：本题考查形容词辨析。likely可用于Sb./Sth.is likely to do sth.或It is likely that...句式，possible则用于It is possible for sb.to do sth.或It is possible that...句型，而probable常用于It is probable that...句式。