Boys and girls, please have a seat and ____.—Thank you.

Where is my bag? I can’t find it.—Don’t worry. It must bein your room.

When I opened the door, I was surprised Bruce standing outside the door.

Whose comic book is it?— It ________ be Daniel’s. He often shares his comic books with his friends.

youthe cat?—Yes, I have. —Whenyouit? —Ten minutes ago.