1.Her husband was badly injured and she was watching over him in the hospital.
2.Even if invited (invite), I won't go to the party.
3.If the opportunity arises(arise), I' d love to go abroad for further study.
4.The book deals with how to deal with such matters.
5.—I think he is taking an active part in social work.
—I agree with you in a way.
6.Everybody in the village likes Jack because he is good at telling and making up jokes.