-Why?TOM,your shirt is so dirty!

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/11 15:10:21

-Why?TOM,your shirt is so dirty!
-Mom,i _my storeroom downs.
Acleaned
Bhave cleaned
Cwas cleaning
Dhave been cleaning
为什么选D不选B,不都是有过去一段时间里打扫,对现在有影响吗?

D是完成时的进行时,表明过去发生的动作一直持续到现在,且可能还会持续下去,并对现在造成影响.
选D是表明“我一直在打扫房间（所以没时间洗衣服）”.
B仅仅表明“我把屋子打扫过了”那么它造成的影响就应该是“你现在不用打扫了”之类,而不是题中的语境.

12.--- Why?Tom,your shirt is so dirty! —why?Tom,your shirt is so dirty!—Mum,I ___my storeroom downs -Why?TOM,your shirt is so dirty!-Mom,i _my storeroom downs. Why is your bedroom so dirty?—Sorry,Mum.I___it Tom ,take off your T-shirt right now!it looks so dirty?right your shirt is dirty.( ) it for you? ---Tom,___your T-shirt right now!It looks so dirty. 1.----Why is the classroom so dirty? Why is your bedroom so dirty?Sorry,mum.I ____ to clean it.[横 — Oh,why is your room so dirty?I wonder ______ . ----The shirt is so dirty.----It really_______.A needs washi The shirt is so dirty that is really need ______.A.wash b.to