Now the air in our city is _______ than it used to be. Something must be done to stop it.
| A．very good | B．much better | C．rather bad | D．even worse |
—The books are so nice, which one can I take?
—Oh, you can take _______ of them. I’ll keep none.
| A．both | B．all | C．neither | D．either |
I wanted to explain, but he didn’t give me any _______.
| A．chance | B．excuse | C．way | D．choice |
—Who is playing the piano in the classroom?
—_______ must be Susan. She plays the piano after school every day.
| A．She | B．It | C．This | D．He |
The first day of school, my teacher says “I” _______ a word in English.
| A．are | B．am | C．is | D．be |