Perhsell a great variety of things .

Whose book is it —Look! Jane’s name is on the cover(封面). It _________ hers.

What color is it—It’s _______ orange．It’s _______ orange jacket．

It’s very dangerous to _______ these viruses without any protection

Mr. Smith, would you have some more ice-cream? — No, thanks. It’s very good, but I have to _____ my weight, you know. [ ]