单项选择题


A．progress
B．developments
C．results
D．events
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单项选择题
A．goingB．datingC．looking atD．dated
A．going
B．dating
C．looking at
D．dated
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A．to be microfilmedB．microfilmingC．microfilmedD．being microfilmed
A．to be microfilmed
B．microfilming
C．microfilmed
D．being microfilmed
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