Linda with his father often _________ the zoo to see the animal.
Winter holiday is coming. Li Lei with his father to go to Shanghai.
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 ___________.