Choose the best answer to complete the following sentences

CONDITIONAL SENTENCES
Exercise 1. Choose the best answer to complete the following sentences. 
1.  If I............a lot, of money now, I..............a new car.
      a.have/will buy.                       b.have/would buy. 
      c.had/will buy.                         d.had/would buy.
2.  If I.............you,I...........do that. 
      a.am/will.                                  b.were/would. 
      c.were/will.                               d.had been/would.
3.  If I were offered the job, I think I..........it.
      a.take.                                        b.will take.
      c.would take.                            d.would have taken. 
4.  I would be very surprised if he.............
      a.refuses.                                  b.refused. 
      c.had refused.                          d.would refuse.
5.   Many people would be out of work if that facory.............down.
      a.closes.                                    b.had closed. 
      c.closed.                                    d.would close.
6.   If she sold her car,she............much money.
      a.gets.                                        b.would get.
      c.will.                                          d.would have got.
7.   They would be disappointed if we.............
      a.hadn't  come.                         b.wouldn't come. 
      c.don't come.                            d.didn't come. 
8.   Would John be angry if I....................his bicycle without asking.
      a.take.                                        b.took.
      c.had take.                                d.would take.
9.   She.............terrible upset if I lót this ring.
       a.will be.                                   b.would be.
       c.were.                                      d.had been.
10.  If someone.............in here with a gun,I would be very frightened. 
       a.would walk.                          b.walks.
       c.had walked.                          d.walked.