13. When you grow (　　　 ),you will understand what I told you.

12.We must keep communicating (　　　 )each other.

11.Because (　　 )the rain ,we have to put (　　　 )our meeting on Monday.

10. These days ,I was too tired, I need two days (　　　 )to relax.

9.It’s going to rain (　　 )a minute.When you go out,please take an u(　　　　 ).

8.He was well-known (　　　 )his carefulness (　　　 )a strict scientist.

7.(　　 )the future,he wants to be a scientist.

6. The factory poured polluted water (　　　 )the river nearby.

5.Please add a little salt (　　　 )the salad.

4.(　　　 )the top of the house ,there are some leaves.