学习目标：
1．
【预习检测】
一．词汇运用。
1. Listen！Everyone_________ (be) reading. Don’t be late next time.
2. While I______________ (clean) the room, the telephone rang.
3. It’s very useful ____________ (collect) the old paper and old books.
4. When I got home last night, I heard Lucy __________ (sing) in the next room.
5. It __________ (say) that his father has gone back to the USA.
6. The children __________ (tell) not to play with fire any more.
7.---__________ the Greens _________ _ (return) from the USA？
