—I want to know if I__________ smoke here.
—No, you _________.Could you see the sign “NO SMOKING” there?
| A．can; needn’t | B．must; can’t | C．shall; won’t | D．may; mustn’t |
We see the lightning____it happens,but we hear thet hunder later.
| A．the moment | B．for the moment |
| C．at the moment | D．in a moment |
.I decided to pay a visit to my former teacher as soon as I____.
| A．finish what I did | B．finished what I did |
| C．would finish what Iwas doing | D．finished what I was doing |
I felt somewhat sad and was about to leave ____ something happened which drew
My attention.
| A．unless | B．until | C．when | D．while |
Everyone wants to have a holiday,but you have no idea____tiresome it is to rest.
| A．how | B．what | C．whether | D．no matter how |
.I won’t let you in____you show me the written permission of themanager.
| A．apart from | B．unless | C．except | D．but |