ShirleyLing
Member
- Joined
- Jun 24, 2011
- Member Type
- Student or Learner
- Native Language
- Chinese
- Home Country
- China
- Current Location
- United States
"People should look out for suspicious activity/activities."
Should it be the uncountable form of "activity" or its plural form?
Should it be the uncountable form of "activity" or its plural form?