They_ to be here an hour ago.A:suppose B:supposed C:were supposed_英语解答

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

人气：289 ℃　时间：2019-11-09 07:14:42

解答

c
他们被认为会在一小时前到来.
用过去时以及被动语态