Doctors tell people their hands often and to stay home if they feel ill.A. to washB. wash

问题补充：

Doctors tell people their hands often and to stay home if they feel ill.

A. to wash

B. washes

C. wash

D. washing

答案：

(答案→)A. to wash

B. washes

C. wash

D. washing

解析：本题考查的用法是tell sb to do sth ，故选A