1.When___you___(ask) for help if you lose your key?
2.If this dress______(not fit)you,I will buy you a new one.
3.I_______(tell)Billy the truth if I saw him.
4.If David__________(pass)the exam, his mother will take him to the USA.
5.If you don not revision, you________(not pass) the exam.
6.John will cry if you________(hit) him.
7.If_______(ask), I would have told you.
8.You would win the next match if you_________(be) lucky.
9.If you_________(not drive) carefully, you would have an accident.
10.I will make some coffee if you____(boil) some water.
11.You_____(be) late unless you hurry.