There weren't any in sight.They _____.(事情是这养的:几个孩子闯了祸都跑光了,我的视线里没有人了)a.couldn't see b.hadn't seen c.couldn't be seen d.weren't seen

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There weren't any in sight.They _____.(事情是这养的:几个孩子闯了祸都跑光了,我的视线里没有人了)a.couldn't see b.hadn't seen c.couldn't be seen d.weren't seen
There weren't any in sight.They _____.(事情是这养的:几个孩子闯了祸都跑光了,我的视线里没有人了)
a.couldn't see b.hadn't seen c.couldn't be seen d.weren't seen

There weren't any in sight.They _____.(事情是这养的:几个孩子闯了祸都跑光了,我的视线里没有人了)a.couldn't see b.hadn't seen c.couldn't be seen d.weren't seen
1.couldn't be seen 表示的是“能力”.(不能)看到.