选择:What __ at nine o'clock last Sunday morning?A was you doing B were you doing C are they doing
选择:What __ at nine o'clock last Sunday morning?A was you doing B were you doing C are they doing
D does we do
D does we do
英语人气:117 ℃时间:2019-12-08 13:16:57
优质解答
B 过去的某个时间点用过去进行时,you是第二人称,过去时用were
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