关于WhatisthatIsitanEngl的百科

• ---Whatisthat?IsitanEnglishlearningmachine?---Yes.It

• 问题详情：---Whatisthat?IsitanEnglishlearningmachine?---Yes.It________ustoimproveourEnglish.A.isusedforhelping       B.usedtohelp   C.usedtohelping【回答】A【解析】考察、used用法。beusedfordoingsth表示用来做某事。Usedtodosth过去常常做某事；used...
• 2019-09-0820640