21.Some people think the stock market will crash,but

21.Some people think the stock market will crash,but
______.
A.I wonder if it
happens
B.I doubt if it will
happen
C.I am afraid it
wouldn’t happen
D.I doubt if it does
happen
22.Either the dean or the principal ______ the
meeting.
A.attends
B.attend
C.are attending
D.have attended
23.We’ll never give in whatever they ______ say or do.
A.may
B.will
C.shall
D.should
24.Sally can’t have written tome,or ______ the letter
by now.
A.I’ll get
B.I’ll have got
C.I’d have got
D.I’d get
25.The management urged that the cost of production
______.
A.to be further
reduced
B.was further
reduced
C.be further
reduced
D.should further
reduced
26.The elephants ought ______ hours ago by the
keepers.
A.to be fed
B.to feed
C.to being fed
D.to have been fed
27.Her daughter had the carpets and curtains cleaned,
______?
A.had she
B.hadn’t she
C.didn’t she
D.didn’t her
daughter
28.Everyone will agree that food in the south is as
good as ______ in the country.
A.other region
B.any other region
C.that of any
region
D.that of any other
region
29.I’d be glad if you______ give me an account of the
fact.
A.shall
B.should
C.would
D.may
30.The little boy dare not go to church,______?
A.dare he
B.daren’t he
C.does he
D.doesn’t he