Question

Oh, Danny. It's raining outside, You'd better ________ your raincoat.

1. A.
   put on
2. B.
   put up
3. C.
   dress
4. D.
   to wear

Answer 1

A
had better do sth.，因此选项D是错误的；put up是挂上的意思；dress后加sb.，是给某人穿衣服。因此A符合要求put on your raincoat穿上你的雨衣。