填空A
1.are am
2.are singing
3.Does have
4.cooks
5.do do go
6.Does swim does is swimming
7.are doing am throwing
8.don't
9.twelveth twelve
10.had running
填空B
1.whose hers
2.are making
3.Do don't
4.us them
5.sing
6.would
7.is are
8.reading
9.children
10.running
填空C
1.second
2.her hers
3.photos
4.studies
5.flied
6.excited
7.people
8.watching
9.Black,blacking
10.Can play
填空D
1.Does sitting
2.teet
3.has
4.helps
5.them
6.Chinese
7.for?
8.writing
9.have strawberies
10.Does does