___ she couldn’t understand was ___fewer and fewer students showed interest in her lessons.
| A．What; why | B．That; what | C．What; because | D．Why; that |
.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 |
.What you told me is really true,____?
| A．isn’t it | B．isn’t what | C．didn’t you | D．wasn’t it |