Verb forms

Verb forms
17. I'm used to (get up)..................very early in the moring
18. Unless you study harder, you ( not pass)..................the next exam
19. Keep silent, please! My daughter ( sleep)..................in the next room
20. The workers ( work) ..........................in the factory at the moment
21. Hoa ( sing).................................an English song in her room now ?
22. My parents ( come)...........................to visit us next month
23. We cannot go now because it ( rain).................heavily outside
24. They ( be)...............your friends? - Yes. They ( wait)..............for us
25. It is not safe for the children ( play)................in the kitchen
26. Look! It ( rain).....................?
27. Everyday, Tuan ( go)....................to school on foot. Sometimes he ( treavel).................by bike
28. The earth ( move)...........around the Sun
29. The last time we ( go)...........to London was in January, 1999
30. She ( arrive)..................at Vinh Railway Station in 20 minutes
31. Mr Nam often ( teach).........Class 8C, but he ( teach).............8B today