28. our earth, or it will be no longer fit for us to live on.
A.Protect B.To protect
C.Protecting D.Protected
27.-Have you completed your paper?
-Not yet. I the last chapter.
A.wrote B.am writing
C.will write D.have written
26.-Look! The clouds are gathering.
-Yes, I’m afraid it be pouring down soon.
25.-What do you think of my composition?
-It well except for some spelling mistakes.
A.read B.reads C.is read D.is reading
24.Natural materials will break down a period of time.
A.for B.through C.over D.on
23.Although he was disabled, he tried to lead as possible.
A.as normal a life B.so normal a life
C.as a normal life D.so a normal life
22.-Who should be sent there, Alice or Mary?
- . More people than needed have arrived there.
A.Neither B.None C.Either D.Both
第一节:单项填空(共15小题,每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。并在答题卡上将该项涂黑。
21.The salesman said that thief was a young man with brown hair.
A.the, a B.the, 不填 C.a, 不填 D.a , a