4 . 从方框中选择合适的短语并用其适当形式填空。

look after, look for, look up, look down on, look back on, look forward to, look out

1. Don’t ________________ yourself. Be confident!
2. Eric ________________ and saw a big dark cloud coming.
3. —Could you help me ________________ the lost school uniform?
—Yes, of course.
4. They often ________________ the days they spent together.
5. Sam has to ________________ his little sister while his mom is away.
6. Ms. Steen has gone back to the US. We are ________________ seeing her again.
7. ________________ ! There is a lamppost(路灯柱) in front of you.

6 . 用方框中所给短语的适当形式填空

put up with　a number of　give up   look down on　pay off

1. Although he faces many difficulties, he never ________ his dream to be a singer.
2. It’s impolite of us ________ the disabled people.
3. James borrowed money from me ________ the debts (债务).
4. ________ students took part in planting trees on March 12 this year.
5. It’s hard to ________ these noises here.