A:(How about) walking to the railway station?B:No,(you’d better) talk a bus.
加点例题:1.A;What did you think of the play?
B:I (enjoy every) minute of it.
2.A:Which book is more interesting?
B:It's (hard to say)
3.A:Would you like me to help you with the bag?
B:No,but (thank you all the same)