Some laid-off workers delightedly took up the work to        patients in hospitals.

       A．took on               B．look on               C．depend on           D．wait on

Some laid-off workers delightedly took up the work to        patients in hospitals.

       A．took on               B．look on               C．depend on           D．wait on

Some laid-off workers delightedly took up the work to         patients in hospitals.

A．depend on         B．take on          C．look on          D．wait on

Some laid-off workers delightedly took up the work to ________ patients in hospitals．

1. A.
   took on
2. B.
   look on
3. C.
   depend on
4. D.
   wait on