How is he getting along _____ his classmates, Mr Black?—Oh, very well. He is very outgoing. They are friendly to him.[ ]

This is my sister Ann. —Is _____ a student?

Which of these shirts do you like best?— I’ll take. They are all expensive and out of fashion.

People, especially teens, think it __ great fun to surf on _____ Internet.

Is Lingling’s grandmother cooking the meal?—No, she 。