Lucy likes watching his son ( )in the water A.swim B.swims C.swam D.swimming选什么,为什么
问题描述：
Lucy likes watching his son ( )in the water A.swim B.swims C.swam D.swimming选什么,为什么
Lucy likes watching his son ( )in the water
A.swim B.swims C.swam D.swimming选什么,为什么
答
A.
watch是感官动词,语法上可以+ n + do/doing
doing强调动作正在发生,因为这个题目有likes表示一般时态,经常的动作,所以用swim
We often hear Lucy play the piano in the room.
I can hear Lucy playing the piano.How beautiful!