They_ to be here an hour ago.A:suppose B:supposed C:were supposed D:are supposed应该选择哪项,原因是什么!谢谢各位

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They_ to be here an hour ago.A:suppose B:supposed C:were supposed D:are supposed应该选择哪项,原因是什么!谢谢各位

They_ to be here an hour ago.A:suppose B:supposed C:were supposed D:are supposed应该选择哪项,原因是什么!谢谢各位
They_ to be here an hour ago.A:suppose B:supposed C:were supposed D:are supposed
应该选择哪项,原因是什么!谢谢各位

They_ to be here an hour ago.A:suppose B:supposed C:were supposed D:are supposed应该选择哪项,原因是什么!谢谢各位
c
他们被认为会在一小时前到来.
用过去时以及被动语态

D

C