作业帮英语,
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英语,
英语,
英语,
1.are doing 2.am singing 3.is mending 4.is mending 5.Are fiying ,I am 6.Is sitting 7.Are asking 8.are playing （ 你只要记住：主+ be(am/is/are )+ v.ing + 其它 .就可以了）句型：1.is running 2.is doing 3.Where are talking 4.What are doing 保证正确!
一，1，are,doing
2,am,singing
3,is, mending
4,is, mending
5,Are, flying
6,Is sitting
7,Are, asking
8,are playing
句型转换
1，is running
2，is doing
3,Where are, talking
4，What are, doing
do do
1. are,doing/ 2.am singing/ 3.is...mending/ 4.is mending / 5.Are ...flying...I am. / 6.is...sitting / 7. Are ....asking. /8.are playing /句型转换——1. is running/ 2.is doing /3.Where are....talking /4.What are...doing(手机回答，排序不好，如有问题，请追问)