单项选择题

Alex______that window because he never came anywhere near here yesterday.
A．must have broken
B．couldn't have broken
C．mustn't have broken
D．might have broken

A.
A．must
B.couldn't
C.mustn't
D.might

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单项选择题

______did Anne realize that she was in danger.
A．Only after entering the store
B．After she entered the store
C．Upon entering the store
D．As she entered the store

A.
A．Only
B.After
C.Upon
D.As

“与时俱进”一词最早形态是()。

A.与时俱化
B.与时俱新
C.与时偕行
D.与时尽现