Complete the sentences with any appropriate time expressions . 1.i have had this book since . 2.i have had this book for . 3.i have a schoolbag. i bought it ago. 4.i have had this schoolbag for . 5.i have been studying english for . 6.i have been studying english since 7.has tom been studying for time ? 8.how has anna been sleeping ?

I have had this book since ..Monday .
2.I have had this book for ..1 .year .
3.I have a schoolbag. I bought it ..2 years ago.
4.I have had this schoolbag for several weeks .
5.I have been studying English for ..2 months .
6.I have been studying English since 2015
7.Has Tom been studying for .long time ?
8.How long has Anna been sleeping ?