Mary feally doesn't know __about it.A.what to do B.how to do

问题描述:

Mary feally doesn't know __about it.A.what to do B.how to do

正确答案应选 A
Mary really doesn't know what to do about it.
记住固定搭配:what to do = how to do it 都是“不知道怎么办?”的意思.