作业帮___is done to clean the air.为什么填little不填a little
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/15 21:21:39
xP;j@ @H\ b- Y]#")I&!)TZ0rnlͼ7aq,4D"#0 ҷֶvsKaD, fpI\ (
Np\M{ەm?;OVw_] |pI2n*h
___is done to clean the air.为什么填little不填a little
___is done to clean the air.为什么填little不填a little
___is done to clean the air.为什么填little不填a little
little是相当于代词,a little是副词词组
much,enough,many,some都可以这样用
Enogh has been said on how to learn English well.
Much has been done to protect the wildlife.