I _______ a museum with my friends at this time yesterday.
_______ you _______ the book ______ to the library yet. —— Yes. I have.
What are the children going to do if it_________ next Saturday?
Whose names are these, ________ or yours? —_______. I don’t know all of the students in Class 5, so I have _______on this piece of paper.
I think Kate will come if she _______ free this afternoon.