–What does your friend look like?–She is of medium build and she has hair.A. sadB. longC

问题补充：

–What does your friend look like?

–She is of medium build, and she has hair.

A. sad

B. long

C. busy

D. small

答案：

A. sad

(答案→)B. long

C. busy

D. small

解析：词义辨析。Sad伤心的；long 长的； busy忙碌的；small小的。联系下文头发，只能用长短来修饰，故选B。