1. this book is very interesting and so is that one.
=> this book is as.....................................................
2. I last read this book in september
=> I haven't ..........................................
3. Mary began collecting stamps in 2005
=> Mary has been........................................
4. I have never read that book before
=> It's......................................................
1. this book is very interesting and so is that one.
=> this book is as..............interesting as that one.......................................
2. I last read this book in september
=> I haven't ..........read this book since september................................
3. Mary began collecting stamps in 2005
=> Mary has been.....collecting stamps since 2005...................................
4. I have never read that book before
=> It's.........the first time I've ever read that book.............................................