摘要：23．We must work hard to a good knowledge of English. A．take B．acquire C．catch D．hold
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We must work hard to ______ a good knowledge of English.
A．take B．acquire C．catch D．hold
查看习题详情和答案>>We must work hard to ________ a good knowledge of English．
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A．take
B．acquire
C．catch
D．hold