If our time is usefully employed, it will _____ some useful and important products．

If our time is usefully employed, it will _____ some useful and important products．

    A．turn out           B．refer to          C．look up           D．carry on

Her advice _____.

A. proved useful 　 　B. was proved useful

C. proved usefully 　 D. proves usefully

If our time is usefully employed, it will _____ some useful and important products．

1. A.
   turn out
2. B.
   refer to
3. C.
   look up
4. D.
   carry on

This article has proved ___.

A. far most useful   B. the most usefully   C. most useful   D. most carefully