—What do you think of my shirt? It _______ cotton.—I looks nice on you.
Let’s buy some more books this afternoon.
—Would you please pass me the sugar?— ____. Here you are.
In our school library there ____ a number of books on science and the number of them ____ growing larger and larger.
It’s said that Armstrong sent a message to Mission Control _____ said that two huge, strange objects landed near them and were watching them.
— It is so hot in the classroom. Would you mind ____ the windows?—OK. I’ll do it right now.