D.see sb do看见某人做了某事
see sb doing看见某人正在做
We often see many tour guides ___ foreign tourists around the places.
We often see many tour guides ___ foreign tourists around the places.
A showing B to show C showed D show
A showing B to show C showed D show
英语人气：665 ℃时间：2020-03-27 14:55:12
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