我写的英语句子正确吗?

问题描述:

我写的英语句子正确吗?
1:they all sit down when he entered the room.
2:they allleave when he entered the room.
3:she poke in the hrshness of voces.
4:this is where the river is shallowest.
5;i expect you are receive the gift.
6:he has stolen away many’s boulder
3:she spoke in the harshness of voces. 她说话的声音非常刺耳。

1:they were all sitting down when he entered the room.2:they had all left when he entered the room.3:her voice is very harsh4:this is which the shallowest river .5:I expect you to receive the gift.6:h...