He used sand to put out the fire.=He _ _ the fire _ _.Zhang Ming was glad that he helped Mrs Wang=Zhang Ming was glad _ _ Mrs WangThe smoke in the room is very heavy.=There is _ _ _ _ in the room.He ate something after he saw the doctor.=He_ _ _ _ he saw the doctor.
问题描述：
He used sand to put out the fire.=He _ _ the fire _ _.
Zhang Ming was glad that he helped Mrs Wang=Zhang Ming was glad _ _ Mrs Wang
The smoke in the room is very heavy.=There is _ _ _ _ in the room.
He ate something after he saw the doctor.=He_ _ _ _ he saw the doctor.
答
put out,with sand
to help
a very heavy smoke
didn't eat anything until