it is important to be clear.这里为什么要加be?为什么不说it is important t
it is important to be clear.这里为什么要加be?为什么不说it is important t
It is important to be careful with
it is nice to be important but it is more important to be
I think that it is important to ……从句中的is要不要加?为什么?
It is important for them to be in a hand.
it is important to provide clear,frequent,precise presentati
be important to sb.与It is important for sb.to do sth.与 sth.i
We think it important to learn English well.it后为什么不加is
It is important to help people who no money.这里为什么用have?who后面
It is important to us为什么用介词to
It is also important to do some reading and writing 为什么加ing
it is important for us to study english well 为什么要加to 说明清楚简单点