1.At what number will the general manager ____________ that call?

1.At what number will the general manager ____________ that call?
A.turn back
B.return
C.phone back
D.give back
2.For further information,please ____________ 54362163,extension 205.
A.get in touch
B.communicate
C.contact with
D.contact
3.In spring people's mental abilities are _____________ by the same factors that bring about great changes in nature.
A.led to
B.resulted
C.effected
D.affected
4.If you see a rainbow in rainy weather in the evening,this is a _________ that the weather will soon be fine.
A.sign
B.symbol
C.signing
D.symbolization
5.Sometimes distant _______ such as hills and trees seem to be very clear and near.
A.injects
B.rejects
C.objects
D.subjects
6.They'll be here at eleven ______.
A.sharp
B.sharply
C.exact
D.accurate
7.I heard on TV that a storm is _______________ Florida.
A.reaching to
B.arriving
C.approaching to
D.approaching
8.One method of weather forecasting is ______________ your eyes and brains.
A.simple to use
B.simply to use
C.simple using
D.simply use
9.Hey,Jane!Does everyone know ______________ time to meet us tomorrow for the picnic?
A.which
B.in which
C.what
D.in what
10.Once I saw a complete stranger picking up litter close to ___________we live.
A.the place which
B.in the place where
C.which
D.where
11.You may not believe that our mental abilities _____________.
A.vary from season to season
B.vary with a season
C.change in season
D.change at season
12.When the manager is back,please ask him to call me ____ this number.
A.to
B.at
C.in
D.for
13.What is the complete number the man should dial to ________ his friend in Miami?
A.reach
B.reach to
C.call at
D.call for
14.People seem to be ______________ in spring than they are in any other season.
A.a lot of sharper
B.a lot sharper
C.a lot of sharp
D.a lot sharp