根据句子意思及首字目提示写出单词的正确形式。

小题1:Talking about others’ p_______ life is not polite.           

小题2:I have r_____ a special present from my pen pal in Australia.  

小题3:Last month, I spent a w_____ vacation in the countryside.

小题4:I have two pens, but n_______ of them works well.

小题5:Go down this street and turn left at the second t_____ lights.

小题6:I’m c______ that he will win first prize in the competition.

小题7:Some singers sing songs to r_____ money for the poor children.

小题8:Rose is so c____ that there is no mistake in her homework.

过滤速度的大小与推动力成正比。