— What nice coffee! — But I think it will taste ______ with sugar.
He the book to the library if he it tomorrow.
We some robots in the next few months, and there some in the office, too.
Beijing a lot in the past ten years. Now it has become one of the biggest modern in the world.
---Let’s go fishing if it ________this weekend. ---But nobody knows if it ___________.
I didn’t hear the phone because my father__________TV then.