6．You can buy some school things ____ your way home.

5．We have lunch ____ the middle of the day.

4．My father teaches English ____ a school.

3．I think the shop is closed ____ this time of day.

2．One ____ the students is in the classroom.

1．What's wrong ____ your watch?

20．Tow may fall 　　　　　the others because he has missed so many lessons.　

A. after B. behind C. later D. out of

19．–Your coat looks nice, Is It 　　　　　cotton? -Yes. It's 　　　　　Shanghai.

A. made of, made by 　B. made of, made in

C. made for, made in D. made from made by 　

18．Look, you'll see a bridge 　　　　the river.　

A. on B. above C. over D. in

17．The classroom is quite different 　　　　　that one.　

A. of B. from C. with D. like