notletrest
Senior Member
- Joined
- May 3, 2010
- Member Type
- Student or Learner
- Native Language
- Chinese
- Home Country
- China
- Current Location
- China
"Sex hormones somehow affect the stress response, causing females under stress to produce more of the trigger chemcals than do males under he same conditions. ... Add( ) to a woman's increased dose of stress chemicals, are her increased "opportunities" for stress."
My trouble in the second sentence is :1. Which is the subject? (In the above text, there is no "opportunities".)
2.Behind "add" which shall we add to, ing or ed? And why?
Thanks!
My trouble in the second sentence is :1. Which is the subject? (In the above text, there is no "opportunities".)
2.Behind "add" which shall we add to, ing or ed? And why?
Thanks!