3. We are looking _____　 _____ hearing from you soon.

2. He spent two weeks in Shanghai, looking _____ the city.

1. The boy is old enough to look _____ himself.

13. keep watch　守望，值班，放哨

look　 词组：

12. keep up with　跟上

11. keep up　　保持，不使低落

10. keep up　保持，坚持

9. keep up　继续

8. keep silent　保持沉默

7. keep ... out　挡住，留在外面