Mr.Smith,together with his children and wife,___ photos on the Great Wall.A.was seen take B.was seen taking

问题描述:

Mr.Smith,together with his children and wife,___ photos on the Great Wall.
A.was seen take B.was seen taking

b

B
see是感官动词,主动语态后跟动词原形或现在分词,分别表示看到某人做了某事或看到某人正在做某事.变为被动语态,动词原形前要加to.