Ⅰ. 语法填空
1. We were not sure whether they would grow(grow)more vegetables next year.
2. I didn’t know when he would come(come)but when he came I would let(let) you know.
3. She said it would be(be)very difficult to make progress if I didn’t work hard.
4. I wish I would stay(stay) with you all the time.
5. He said at the meeting that more measures would be taken(take)to protect the environment.
