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21.The Bushmen are _______ hunters even though their weapons are primitive.
A.favourite
B.original
C.sufficient
D.expert
22.Before he left the White House, the president made a _______ speech.
A.quaarel
B.symbol
C.automobile
D.farewell
23.The local government has begun a _______ in this city to cut down the traffic accidents.
A.protest
B.punishment
C.protection
D.project
24.It is highly _______ that he come here tomorrow to join us.
A.desirable
B.doubtful
C.good
D.wanted
25.A new idea began to _______ from his mind when he was on his way back home.
A.emerge
B.output
C.starve
D.tend
26.If you just stay in this city for few days, we can give you a _______ library card and you can still make use of the books in the city library.
A.terminal
B.temporary
C.regular
D.chamber
27.When you buy anything expensive, never forget to ask for the _______ from the shop.
A.render
B.trust
C.receipt
D.tale
28.These programs are designed for those young people who want to _______ higher education but do not have enough time to go to university.
A. insure
B.purse
C.purchase
D.pursue
29.In order to write his paper, he borrowed a lot of _______ books from the school library.
A. implication
B.reference
C.sample
D.saucer
30.When he opened the door, he used too much force and _______ the key.
A.trailed
B.varied
C.twisted
D.wicked
