Is that man Mr．Smith?
It _____ be him．He has gone to New York on business．
| A．may not | B．needn’t |
| C．can’t | D．mustn’t |
Cormorants are good _____________ catching fish.
| A．in | B．with | C．to | D．at |
Since you are ill, you ______ attend the meeting.
| A．haven’t to | B．don’t need |
| C．needn’t to | D．don’t have to |
More underground railways ______ in Shanghai in the near future
| A．will be built | B．were built |
| C．are built | D．will build |
----How long have you learnt the piano? ---- ______ two years ago.
| A．For | B．Since | C．From | D．Before |
The captain was ______listening to the soldier.
| A．any longer | B．no longer | C．any long | D．no long |