The story is so strange that we have never________it before．
| A．heard from |
| B．heard of |
| C．heard |
| D．listened to |
He walked ________ fast for us ________catch up with.
| A．so, that | B．such, that |
| C．enough, to | D．too, to |
_______ my mother ________ my sister watches TV plays these days.
| A．Either, nor | B．Both, and |
| C．Neither, or | D．Neither, nor |
The nurse doesn't feel well today, _____ she still works very hard.
| A．but | B．and | C．or | D．when |
Tom has been in the factory _________he left school.
| A．when | B．since | C．as soon as | D．whether |
We didn't begin our group discussion ______ every member came.
| A．if | B．since | C．until | D．while |