They arrived _______ Beijing on the evening of May 24.
A. at B. in C. on
–Smoking should in school.
--I agree. It’s bad for our health.
| A．be allowed | B．not allow |
| C．allow | D．not be allowed |
The boy asked his father .
| A．where it happens | B．when did it happen |
| C．what did it happen | D．how it happened |
Would you mind me how this math problem ?
| A．telling, to solve | B．telling, solve |
| C．to tell, to solve | D．to tell, solve |
–I think Mr Zhang may be in his office.
--No, he be there. I saw him just now.
A. needn’t, left B. mustn’t, leaving
C. can’t, leave C. shouldn’t, leave
–Happy Teachers’ Day! Here are some flowers for you.
--beautiful flowers they are! Thank you!
| A．How | B．How a |
| C．What | D．What a |