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
Look! Tina is waiting _______ the bus stop.
A．for B．at C．in D．to
