问题

I don’t know _____ it next.

A:how to do
B:what to do
C:what can I do
D:how can I do

正确答案是：

同类题型

下列各句中，没有语病的一项是（）

下列句子中，不含通假字的一项是( )

Helen ______ her keys in the office so she had to wait until her husband ______ home

The teacher told me that the light ______ faster than sound

I _ have no money on meyesterday. [ ]