High-speedtrains which travel through my home town ______ up to 250 km per hour make it a small world

_____ do you usually come to school —By bike.

The book which _______ by Mo Yan has been sold out.

. The post-Expo fate of foreign pavilions,especially those _____ tens of millions of dollars, has aroused strong interestamong the public.

Is that the country clinic you often refer to?— Right，just the one_________you know my father used to work for 10 years