12. the lace placed in the palace replaced first,and displaced later

13.i paced in the peaceful spacecraft

14.SIR,your bird stirred my girlfrend's birthday party

15.the waterproof material is suitable for the aerial used near the waterfall坚持

16.i hint that the faint saint painted the printer winth a pint of paints

17.at any rate the separation ratio is accurate

有毅力的孩子

18.the bundary around the roung ground separated us from the surroundings

哥要还是孩子就好了。。。穿越啊穿越。。。。

NO19
the blouder made the underground instrument undergo the undermining of the thuderbolt
贵在坚持，不能放弃

NO20：
the tilted salt filters halt alternately for altering

NO21:
the wandering band abandoned her bandaged husband on swan isdand

NO21:
the wandered band abandoned her bandaged husband on swan istand

the wandering band abandoned her bandaged husband on swan island