1 A:This top is too big for me. I need a ........ (small) one.
B: I am sorry, this is the ..........(small) size we have.
2 Tom is always smiling. He is the ............. (friendly) person I know.
3 This book is .............(difficult) than the one we did last year.
4 When the traffic is heavy,it is...........(easy) to walk to work than drive my car.