It was fine yesterday so I ______ the trouble to carry my raincoat with me.
| A．don’t need to take | B．mustn’t have taken |
| C．didn’t need to take | D．needn’t have taken |
I’m living in the apartment nearby.Come and see me whenever________.
| A．it is convenient | B．you are convenient |
| C．you have convenience | D．there is convenience |
___ the room,the nurse found the tape-recorder ___.
| A．Entering;stealing | B．Entering;gone |
| C．To have entered; being stolen | D．Having entered;to be stolen |
We can never forget the days _______the two astronauts in spaceship worked together and the days _______we spent together.
| A．which; when | B．when; which | C．what; that | D．on which; when |
Who is________the fire in the kitchen?
| A．blame | B．to blame for | C．blamed | D．blame for |
Only when he told me________what trouble he was in.
| A．did I realize | B．I realized | C．do I realize | D．I realize |