Sometimes they may play to passers-by in the street or subway so that they can earn some______ money for themselves or to pay for their instruments.
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A
certain
B
extra
C
various
D
unusual
推荐题目
 There were two boys in the lab, ______did the experiment successfully.
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A
the clever of whom
B
the cleverer or whom
C
the clever of them
D
the more clever of them
The soldier was _____ in the battle.
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A
injured
B
wounded
C
hurt
D
died