21.They ______ for the West in a covered wagon.[ 1分]

21.They ______ for the West in a covered wagon.[ 1分]
A.set offB.set toC.set asideD.set up
22.To the citizens of the United States,the bald eagle symbolizes strength ______ freedom.[ 1分]
A.as well asB.orC.alsoD.both
23.The new law will ______ the workers to get extra pay from their companies.[ 1分]
A.relieveB.occupyC.enableD.bring
24.Please ______ twenty minutes each morning to read English aloud.[ 1分]
A.set asideB.set upC.set aboutD.set out
25.Could I have some milk,some orange juice and some eggs “ ”
A.instead ofB.in addition ofC.as wellD.so much
26.China succeeded _____ launching its first man-made satellite in 1970.[ 1分]
A.onB.inC.forD.with
27.Louis was asked to clean the classroom ______.[ 1分]
A.of herselfB.by her willC.all by herselfD.with one hand
28.George was not aware ____ her presence till she spoke to him
A.inB.withC.toD.of
29.Identify the errors in the following sentences :Unable to settle their disagreement at the meeting,the committee was going to put off the discussion until the next day.[ 1分]
A.UnableB.wasC.untilD.the next day
30.Identify the errors in the following sentences :The director felt badly about not giving Mary the position that she had applied for.[ 1分]
A.badlyB.not givingC.thatD.applied for
31.Geography is Linda's favorite ______ at school.[ 1分]
A.matterB.objectC.subjectD.substance
32.An average student should know that he needs to spend more time______ so that ______ a top student.[ 1分]
A.studying ...he isB.to study ...he isC.studying ...he will beD.to study ...he will be
33.Identify the errors in the following sentences :She wanted to visit the city so much that nothing could dissuade him to do so.[ 1分]
A.to visitB.so muchC.thatD.to do so
34.Her arrival ______ us,for she was not expected until the next day.[ 1分]
A.cheatedB.surprisedC.suspectedD.advised
35.Identify the errors in the following sentences :While playing football,Tom's leg was broken in a bad fall.[ 1分]
A.While playingB.Tom'sC.broken inD.a bad fall
36.The British troops ______ 500 miles a day by car.[ 1分]
A.tookB.coveredC.cameD.passed
37.______ this road until you get to the church; then turn left.
A.KeepB.ChangeC.FollowD.Lead
38.Identify the errors in the following sentences :Even if we had known the subject enough well,he insisted on explaining to us again.[ 1分]
A.Even ifB.enough wellC.insistedD.on
39.Identify the errors in the following sentences :The salad tasted so well that my brother returned to the salad bar for another helping.[ 1分]
A.so wellB.returned toC.the salad barD.another helping

21）A set off表示“出发”
22）A.as well as 表示“同样”
23）C.enable 使.能够
24）A.set aside 留出,空出
25）B.in addition
26）B.in 表示成功做某事succeed in doing sth.
27) C.all by herself 全部由她自己一个人做by oneself表示某人独立做
28）D.of 解释为意思到aware of
29) C
30）A
31）C.subject 学科
32）C.studying ... he will be
33）B
34）B 使我们感到惊讶
35）A
36）B
37）C
38）B 应该是WELL ENOUGH
39）A
怎么看着象学校的作业啊?