1.
If Mr. Harris____single, I could introduce him your Sister.
2.
If you don't keep the receipt, the shop___you a refund.
3.
If someone offered you those; books, which one____?
4.
I feel so hopeless. If only I____the language.
5.
___ Tom, | would refuse.
6.
If only David had been a bitore careful,____have been all right.
7.
____ very upset if you turn down his offer of help.
8.
If you see Tom tomorrow,____him to ring me?
9.
If they____the museum, we'd better go there today.
10.
If I ____, I would have to thank all of you.
11.
If you______ for another night, I'll ask the manager to give you a better room.
12.
If___along, I might have died.
13.
____to apologize now, I would forgive her.
14.
If I could speak Spanish, I ____next year studying in Mexico.
15.
If energy____inexpensive and unlimited, many things in the
world would be different.
16.
If you____to my advice in the first place, you wouldn't be in this mess right now.
17.
____more help, I could call my neighbour.
18.
I didn't know you were asleep. Otherwise, I____in the room, I would have been killed.
19.
If you____to talk loudly, I will have to ask you to leave.
20.
A huge tree crashed through the roof and broke my bed.____in
the room, I would have been killed.
