—There is still a copy of the book in the library. Will you go and borrow ________?—No, I’d rather buy ________ in the bookstore.
—Was it in April, 1970 that China ________ sending its first satellite into space? —Yes, that's right.
As you know,it is my duty to________my younger sisters from being hurt when they are in danger.
If no measures are taken, the special wild plant will ________ some day.
Sir, you ________ take this seat. It’s just for the old.
He spoke as though he________ anything of the world. --Really?