.Don’t take too much of the medicine; it does you more harm than good if you .A. doB. take

.Don’t take too much of the medicine; it does you more harm than good if you .
A. do
B. take
C. like
D. have

(答案→)A. doB. takeC. likeD. have解析：if you do是省略形式，为了避免重复，常用助动词代替谓语动词。do代替上文中的take too much of the medicine。have用于代替上文中的现在完成时。

你的回答很对