The scientist tried to convince us that a tiger would not attack us ____( 除非它走投无路 ).
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________(每当天气不好时), he takes whatever umbrella he can find.
_______________________ (给我印象最深的) was her liveliness and sense of humor.
_____ (随着时间的流逝), they forgot their bitter sufferings.
The careless man received a ticket for speeding. He _______________(不该开车开得那么快）
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