20.My parents bought a book (　　　 )me.

19.The girl (　　 )black is my sister.

18.He had some difficulty (　　　 ) his work.

17.If you eat more vegetables ,you will be (　　　 )good health.

16.I was bored (　　　 )what you said.

15.Please make a list (　　　 )the problems that you want to solve.

14.We should make room (　　　 )the old men (　　　 )the bus.

13.(　　 )the first floor,there are many people quarrelling ( 　　　) the problem.

12.There is no much room (　　 )your feet in the theatre.

11.I paid 3000 yuan (　　　 )what you sold me.