Tina can’t see the blackboard because the boy who sits_____ her is very big and tall.[ ]

Mr. Miller to Shanghai for a visit as soon as the meeting is over.

Look! There is ________ eraser on the desk.

Have you heard of the story of a bowl of huntun in Changchun?— Sure. _______ people were moved on the Internet.

He is believed____________ in at his office on his way home.