23.If the soil was polluted,plants won't be able to grow
A.Was              B.Polluted             C.Be able          D.To grow
24.Please don't drink this water because it is contaminate heavily!
A.Please          B.Because             C.Contaminate          D.Heavily
25.If she finishes the work,she can go to home
A.Finishes            B.The work                 C.To            D.Home
26.If is not rain,Peter would pay us a visit
A.If                     B.Not rain                C.Would pay               D.A visit