( )1. ---What ar e the school rules?
---We _____ arrive late for class.
A. don’t B. can’t C. aren’t D. are
( )2. _____ eat in class.
A. Please B. Please not C. Not D. Don’t
( )3. Please listen ___ the teacher carefully (认真).
A. to B. on C. at D. of
( )4. We don’t know Jack _____ Bruce.
A. and B. or C. about D. of
