One Friday, we were packing to leave for

资格题库2022-08-02  30

问题 One Friday, we were packing to leave for a weekend away__________my daughter hearedcries for help.A.afterB.whileC.sinceD.when

选项 A.after
B.while
C.since
D.when

答案 D

解析 根据句意可知,此处表示“当……时候”,故用when。
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