20. Mother：His bad cough kept him awake all night.
Doctor：________.
(A) He should sleep earlier.
(B) Oh, I see. He deserved it.
(C) He’d better stop thinking.
(D) I am going to give him different medicine.

答案：登入後查看
統計： A(0), B(0), C(1), D(0), E(0) #4004808