CONDITIONAL SENTENCES 
      Choose the best answer to complete the following.                                               sentences.
1.If Peter..............,Sarah will be sad because she wants to meet him very much. 
          a.come.                                  b.do not come.   
          c.does not come.                 d.will come. 
2.If his teeth still.............,he will have to go to the dentist's again. 
          a.hurt.                                    b.hurts. 
          c.to hurt.                               d.will hurt. 
3.If you...............Tom,tell him I have a message for him. 
           a.will meet.                          b.would meet. 
           c.meet.                                 d.met.   
4.If you...............too hot during the night,turn down the central heating. 
           a.will feel.                            b.felt.     
           c.feel.                                   d.feels.
5.If you..............with your dictionary,I'd like to borrow it.
           a.finish.                                b.finished.        
           c.feel.                                   d.feels.
6.If the weather...........fine,we will go on a picnic.
            a.is.                                      b.were. 
            c.would be.                         d.will be.
7.If he...............harder, the results will be better.
            a.worked.                            b.works.   
            c.has worked.                    d.will be.
8.If Americans ate fewer foods with sugar and salt,their general health....................better.
            a.be.                                     b.will be.   
            c.is.                                      d.would be.
9.If she hadn't overslep, she..........late for the interview. 
             a.wouldn't be.                   b.wouldn't have been.
             c.hadn't been.                   d.would have been. 
10.I'd have told you if I..............the book.
             a.had seen.                       b.would have seen. 
             c.saw.                                d.see.
11.If we had known your new address, we.......to see you.
             a.came.                            b.would have come. 
             c.would come.                d.will come.
12.If I found a wallet in the street, I...........take it to police.
            a.will.                                 b.should.
            c.would.                            d.shall.
13.I........that coat if I were you.
            a.wouldn't buy.                 b.didn't buy.
            c.don't buy.                       d.won't buy. 
14.If you didn't do this, you...............punished.
            a.are.                                b.will be.   
            c.would be.                      d.should be.