问题
She looks very busy . I want to help her ,but I don’t know ___________ .
A:what to do
B:what to do it
C:how to do
D:why to do
B:what to do it
C:how to do
D:why to do
正确答案是：
同类题型
_____ he said is really interesting
How are your reccent tripto Sichuan —I’ve never hadone before
ghter, _________ all kinds of meat,would not like to eat any vegetable, which worries me a lot.
Jim doesn’t like football _________, but he plays tennis _________.
With your help, there is no doubt ________ our plan is meant for will work out successfully.[ ]