13、This is all which I can do for you.

12、The students are playing football on the playground are of Class Two .

11、The man came yesterday is our English teacher.

10、April 15, 1976 is the day when we’ll never forget.

9、This is the room which food is kept.

8、He left me the book, that is very useful for me.

7、I know the reason that she looks so worried.

6、We shall visit the college where his father teaches there.

5、The house stands at the place that the two roads meet.

4、The days when we spent together cannot be easily forgotten.