Question

Answer 1

1. doesn't -> don't

2. at -> on

3. crys -> cries

4. am coming -> come

by -> in

5. studies -> is studying

6. write me -> write to me

7. I am Cathy -> Cathy is

8. aren't -> isn't

9. have -> having

10. stands -> is standing 

next -> next to

Answer 2

doesn't => don't

at => on

baby sister => sister's baby

by => in

studies => is studying

thêm to sau write

cathy speaking => speaking (with) Cathy

aren't => isn't

have => having

stands => is standing

Answer 3

doesn't=>don't

at=>on

crys=>cries

am coming=>come

studies=>is studying

me=>to me

I am Cathy speaking=>Cathy is speaking

aren't=>isn't

have=>having

stands=>is standing