英语介词练习 1 the man ( ) blue is jack`s father.2 who`the girl ( ) small mouth?

英语介词练习 1 the man ( ) blue is jack`s father.2 who`the girl ( ) small mouth?
3 you shouldn`t walk ( ) yhegrass.
4 look,nancy is sitting ( ) her father and mother.
5 you must stay away ( ) the house.
6 now,i know a lot ( ) dogs.
7 my little brother always has a lot ( ) questions.
8 we`re very happy ( ) school.
9 keep ( ) the grass,piease.
10 jim is in row 4.i siit ( ) dogs.