___________ you've got a chance, you might as well make full use of it.
----Water-skiing and surfing are my favourite. How about you ? ----I ______surfing to water-skiing.
----How much does it ______to fly from Beijing to Qingdao one-way? ----About , yuan.
----What do you think of her voice? ----It______very sweet, I should say.
----Do you like______a doctor for the children? ----Yes. To be a children’s doctor is rewarding.
Tracy can’t play the match now. Please ______instead.