21.All these dictionaries are a great help to you,

21.All these dictionaries are a great help to you,
______?
A.are they
B.aren’t they
C.are all these
dictionaries
D.aren’t all these
dictionaries
满分：2.5 分
22.The worker is ______ in repairing the machine to
notice my coming.
A.too busy
B.enough busy
C.busy too
D.busy enough
满分：2.5 分
23.If we had been more careful,we ______ much better
results now.
A.got
B.had got
C.would be getting
D.would have got
满分：2.5 分
24.______,I realize that I owe a debt to my early
country life.
A.Lover of towns I
am
B.As lover of
towns
C.Lover of towns as am
I
D.Though am I the lover
of towns
满分：2.5 分
25.You say you ______ do it,but I say you ______ do
it.
A.ought not/could
B.will not/shall
C.could not/need
D.shall not/ought
满分：2.5 分
26.We are worried about our son because no one is
aware ______ he has gone.
A.the place
B.of where
C.about the place
D.where
满分：2.5 分
27.____ he was putting on his uniform,the officer
found that one of the sleeves was torn.
A.Since
B.Unless
C.As
D.Before
满分：2.5 分
28.It’s pay-day,and they’re waiting ______.
A.for paying
B.to be paid
C.to be paying
D.to have paid
满分：2.5 分
29.I have been going to Shanghai ______ than I used
to.
A.lesser
B.less
C.fewer
D.less often
满分：2.5 分
30.Magaret scarcely comes to visit you on Christmas
Day,______?
A.doesn’t she
B.does she
C.do you
D.don’t you
满分：2.5 分