Everyone needs to know __________ importance of rubbish sorting（分类）.（ ）
A．anB．不填C．the
_____ heavy the rainstorm is!
Yes，the town has experienced the most serious flood during the past ten years．（ ）
A．HowB．WhatC．How aD．What a
Yan Jiashuo，a _____ girl，has won the prize of International Master of Memory．
Wow，she's great，isn't she？（ ）
A．ten﹣year﹣oldB．ten﹣years﹣old
C．ten year oldD．ten years old
Dong Guijun is _____ first man of Lianyungang to reach the top of Mount Qomolangma．
He is _____ pride of us．（ ）
A．the；/B．a； theC．the； theD．a；/
______ great fun Andrew has ______ DIY in the art room with his classmates!（ ）
A．What； doingB．What； done
C．How； doingD．How； done
Have you found the information about famous scientists _____ you can use for the report？
Not yet．I'll search some on the Internet．（ ）
A．whereB．whichC．whatD．who