依次填入下面各句横线处的词语，恰当的一项是(　　)①可是这个老穿着雨鞋、拿着雨伞的小人物，却把整个中学________了足足十五年！②他们不敢大声说话，不敢写信，不敢交朋友，不敢看书，不敢________穷人，不敢教人念书写字……③为了避免我们的谈话被人家误解________闹出什么乱子起见，我得把我们的谈话内容报告校长——把大意说明一下。

How are —- am fine,thanks .

I hear Huang Gang made an English speech at thegraduation ceremony yesterday. -______ , and ______.

You must work harder, ____________ you will fall behind others.

That must have been a long trip.—Yeah, it _________ us a whole week to get there