EX9
1) use
2) Is Jane watching
3) Doesn't go
4) Is eating
5) Do you study
6) Don't listen - am playing
7) Is raining - rains
8) Are reading
EX10
1) b
2) c
3) a
4) b
5) a
6) d
EX11
1) sixth
2) Her best friend
3) walk
4) Because she don't know most of the children
5) Yes, she does
XONG RỒI, CHÚC EM HỌC TỐT
NẾU THẤY HAY THÌ CHO ANH TRẢ LỜI HAY NHẤT VS 5 SAO NHAAAAA