[练习题]Fill in the blanks with the words given in brackets. Make changes or add something where necessaryThe man (try) to climb out of the window when the firemen arrived.

正确答案:was trying
题目解析

句意;消防队员到达时,那个人正试图爬出窗外。根据句意可知应用进行时态,且动作发生在过去故填was trying。

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