His _________ estimated at fifty million dollars.

1. A.
   wealth is
2. B.
   wealths is
3. C.
   wealth are
4. D.
   wealths are

His _________ estimated at fifty million dollars.

　A. wealth is　　B. wealths is　　C. wealth are　　D. wealths are

He gained his _____ by printing _____ of famous writers.

A. wealth; work     B. wealths; works          C. wealths; work           D. wealth; works

He gained his _____ by printing _____ of famous writers.

A. wealth; work         B. wealths; works             C. wealths; work               D. wealth; works

He gains his ________ by printing ________ of famous writers.

1. A.
   wealth, work
2. B.
   wealths, works
3. C.
   wealth, works
4. D.
   wealths, work