Theworkers_____busilywhenthebossca

发布时间：2020-07-11 03:01:43

The workers _____busily when the boss came to look for something she ______in the office













A.had worked, had left












B.were working ; had left











C.working ; had left











D.had worked; left

网友回答

B解析前一空表示当时正在进行的动作，所以用过去进行时，第二空用过去进行时表示这动作在came之前。
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