Was it 8o'clock -----you heard someone------at the doorA.when kno_英语解答

Was it 8o'clock -----you heard someone------at the door
A.when knocking
B.when knock
C.that knocking
D.that knock

人气：210 ℃　时间：2020-06-02 03:24:25

解答

A,when,当.时.heard sb doing sth,听到某人做某事
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