—What are these? —________.
A．There are books.
B. They’re books.
C. It’s a book.
She ______ to her feet and ran out of the room just now.
| A．jumped | B．jumps | C．was jumping | D．will jump |
Ask John ______ here at 7 pm tomorrow.
| A．come | B．coming | C．came | D．to come |
The air in Beijing is getting much ______ now than a few years ago.
| A．clean | B．cleaner | C．cleanest | D．the cleanest |
He has two pets. One is a dog, ______ is a cat.
| A．the other | B．other | C．others | D．another |
— Will you stay for lunch?
— Sorry, I ______. My brother is coming to see me.
| A．needn’t | B．can’t | C．shouldn’t | D．mustn’ t |