None of the shoes in the shops are the right size. They are ________ too big ________ too small.

1. A.
   both; and
2. B.
   neither; nor
3. C.
   not only; but also
4. D.
   either; or

None of us knew what had happened _______ they told us about it.

None of us _____ running, but we all like swimming.

None of them knew what had happened _________ I told them about it.    

A. when         B. until          C. after          D. though

None of us knew what had happened _______ they told us about it.