Fill in the correct form of the verb

II. Fill in the correct form of the verb.
1. The burglars
the drawers.
2. If he had slipped he
(fall) 500 metres.
3. They would have forced their way into the house if I
for help.
4. You
5.1
6. You'll get a cold if you
7. I'll probably get lost unless he
8. I could repair the roof myself if I
9. If a train entered this tunnel, it
10. If you had told me earlier, I
(not do) so much damage if you hadn't locked all
(not call)
(not be) of any use to me unless you learn to type.
(bring) you some beer if I had known that you were thirsty.
(not change) your wet clothes.
(come) with me.
(have) a ladder.
(not come) out again.
(be able) to help you.