下列各句中，没有语病的一句

_____ private cars bring us convenience, theyalso cause more traffic accidents and pollution.

The headmaster________a very good impression________the parents at the meeting.[ ]

Would you like some coffee—Yes, please. By the way, do you have any milk I prefer coffee ______milk.

The young man was ________ of stealing money from the company in order to buy an iphone