---Answer the doorbell, please. It must be your uncle. ---It Heidi. She’s coming over this morning to help me with my math.
---How are you prepared for the new project? ---We have done much but a lot of equipment ______.
---How long have you been here? ---About half an hour, Jack ______me here.
I can still remember the first day _____I spent at school _____it were yesterday.
________an advertisement says, remember that there is ________as a free lunch in the world
Was it on that lonely island ________the family finally ___________?