问题
I don’t know _______. Can you help me —I thinkyou should calm down and read texts.
A: how todo
B: what to do it
C:what to do
D: when to do
B: what to do it
C:what to do
D: when to do
正确答案是：
同类题型
A lotof money has been _________ helping the mountain villages all over China.
______on both sides of the street _____ excited fans who wanted to see the famous singing star.
________ you have seen things like thesebefore doesn’t matter.
The form cannot be signed by anyone ________ yourself.(2011·全国Ⅰ)