If you __________ (expose) phosphorus to air, It __________ (burn)
If you __________ (heat) ice, it __________ (turn) to water.
If metal __________ (get) hot, it __________ (expand)
If you __________ (stand) in the rain, You __________ (get) wet
If anyone __________ (ring) the bell, don’t __________ (open) the door.
If my father __________ (not, sleep) well, he __________ (drink) coffee before going to bed
If you__________ (press) this button, the machine __________ (stop)
If you__________ (multiply) 6 to 8, you__________ (get) 48
If anyone __________ (call), say that I__________ (be, not) at home.
If you__________ (go) to the Post Office, you__________ (mail) this letter for me.
ai lam ho voiiii mai tui kiem tra 15p
1 expose - burns
2 heat - turns
3 gets - expands
4 stand - get
5 rings - open
6 doesn't sleep - drinks
7 press - stops
8 multiply - get
9 calls - am not
10 go - should mail
