___ is everyone’s duty___ the law.
| A．That; do obey | B．It; to obey | C．That; obeying | D．It; obeying |
----Would you like some more chicken?
------No, thanks . I am ______ a diet and try to _____ weight.
| A．on, lose | B．on, put on | C． in , have | D．in , lose |
----Who is going to ______ prizes to the winners?
----- The headmaster, of course .
| A．gather | B．award | C．admire | D．gain |
The article is too long and should be ______ by half .
| A．cut down | B．cut off | C．turned up | D．turned off |
All the students were looking forward to_______here.
A, come B. being coming C. came D.coming
We were all waiting for you; you _____ for the seaside by yourself
without leaving a message.
| A．mustn’t leave | B．needn’t leave |
| C．shouldn’t have left | D．couldn’t have left |