There are two cars in front of the house.–One is mine, ________ is the mother’s,

Graduation is a good time to thank those who have helped you ______ the tough years

He found himself _______ on the ground when he cameto himself the next morning.[ ]

If you are in trouble, you can _____help from the policeman.

下列各句中,没有语病的一项是(　　)