1.Here are all the books I have,.You may borrow __A__ you like.
A.whichever
B.that
C.which
D.however
2.The police arrested the wrong man mainly because they ___B__ the names given by the witness.
A.puzzled
B.confused
C.bewildered
D.perplexed
3.He speaks mandarin with strong Sichuan accent, so he __A___ brought up in Sichuan or some places close to Sichuan.
A.must have been
B.must be
C.may have been
D.can't have been
4.We couldn't cut the string because the __A___ of the knife was not sharp enough.
A.edge
B.side
C.border
D.front
5.It _B__ our teacher came that we begun the test.
A.was until
B.was not until
C.not until
D.until was
6.The old sailor had never studied navigation, but he had good ___C__ knowledge of it.
A.periodical
B.tropical
C.empirical
D.vertical
7.One may call this a crisis situation because the dollar has ___A__ quite steadily.
A.depreciated
B.converted
C.circulated
D.alleviated
8.His car is a much older __A___ than ours.
A.model
B.pattern
C.manufacture
D.form
9.Their educational qualifications __B__ them to a higher alary.
A.confers
B.entitles
C.grants
D.credits
10.At the sight of the police officer, the thief ___B__.
A.got to his feet
B.took to his heels
C.rose to his feet
D.dragged his heels
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