21. The house needs ___________( 修理).

20.　 Mike turned manager , while John __________(仍然) a worker.

19. ____________(相对) speaking, the matter is unimportant.

18. He walked up and down with　 __________(规律) steps.

17. I ___________(抱歉) to say I can't help.

16.　 They went on separate holidays ___________(不顾) of high expense.

15.　 They ___________(拒绝) me permission.

14.　 The student ____________(提及) to in my last letter is good at English.

13.　 The number of the obese children in our country is ____________-(减少) by five percent each year.

12.　 Has the country __________(恢复) from the effects of the war yet?