Can sb check this?

I would be very grateful if you could check me these examples
1.Dickens visited America for the first time in 1841.
Before 1841 he had never visited America.
2.His health began to deteriorate but he travelled all over the country to read from his books (althought/already)
ALthought his health begun to,....., he had already travelled all over..
3.welll,you gave /have given interesting answers to my question...
4.And how much do you earn /have you earned/did you earn now.I don't earn /haven't earn anything at the moment.( there's not option for use of present cont.,I'm thinking of present simple

5.He never sleeps in a bed.
He hasn't been sleeping since he became a tramp.
6.He knows everyone in the village (meet)
He has met everyone since he came there.
7.When Bob and his wife get married.
How they heve been married for long?