1a: this top is too big for me. i need a (small) one. b: i am sorry, this is the ) size we have. 2 tom is always smiling. he is the (friendly) person i know. 3 this book is ) than the one we did last year. 4 when the traffic is heavy,it ) to walk to work than drive my car.

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