用一张长方形纸卷成一个底面直径是8cm，高是10cm的圆柱体（接头不计），这张长方形纸的长是______cm，宽是______cm．

根据汉语提示完成句子。

1. How are you____  _____ _____ (进展)your homework?

2. I am greatly____ _____ _____ ______ ______ (对所有的老师表示感谢)for their help.

3. I gave her________ ________ ________ (一个诀窍) removing ink from clothing.

4.I don't want to_______ _______ ______ ________

  (与……之间有任何矛盾)my family.

5. You should spend a lot more time_____ ______  (交流)your parents.