1.is not working/am reading

2.isnot stop/is pass

3.Can your sister speak...?/is practicing

4.goes/doesnot often go

5.What are you think of my...?/is

6.speaks/doesnot understand

7.Donot ask/has got

8.donot understand

9.What are you doing tomorrow?/am coming to see

10.is/am going to buy