The missing boys were last seen ____ near the river.(NMET94 25)A.playing B.to be playing C.play D.to play我觉得选b 因为感官动词see变为被动时要加to,然后又强调正在,所以选b

分类: 作业答案 • 2022-01-02 13:15:13

问题描述：

The missing boys were last seen ____ near the river.(NMET94 25)
A.playing B.to be playing C.play D.to play
我觉得选b 因为感官动词see变为被动时要加to,然后又强调正在,所以选b

答

C.play
see sb do sth