Ⅰ. 用所给动词的适当形式填空
1. Tom worked hard, only ______（fail）again at last.
2. It is no good ______（watch）too much TV for children.
3. It’s good ______（help）others when they are in trouble.
4. The man downstairs told the man upstairs not ______（drop）his shoes onto the floor at midnight any more.
