1. 选择方框内的短语并用其适当的形式填空

instead of, at once, smile at, for a long time, at the moment, the key to, be interested in, look away

1. （1） My brother singing songs. He is a big fan of music.
3. （2） She pointed to the door and ordered the boy to get out .
5. （3） He always feels worried and when he is telling lies.
7. （4） He plays computer games all day studying.
9. （5） He is very weak, for he has been ill .
11. （6） Lily turned her head towards the little boy and him.
13. （7） Kate is not here. She's listening to the concert .
15. （8） success is to be ready from the start.