单项选择题


A．they were
B．it was
C．there was
D．there were
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单项选择题
A．newB．freshC．naturalD．original
A．new
B．fresh
C．natural
D．original
单项选择题
A．receiveB．recognizeC．gainD．accept
A．receive
B．recognize
C．gain
D．accept
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