.Unfortunately, it was in Yushu County, ______ a 7.1-magnitude earthquake happened on April 14, 2010, ______ a large number of students were buried inside damaged schools.
A vast area north of the Yangtze River__________by the first heavy snow of the new year,causing difficulties to the post-festival road transport.
The excellent service of the waiters __________highly praised. That’s why the restaurant is always full of people.
There has been a great increase in bicycle sales this year________?
Many people like white color as it is a ________ of purity.
All the teachers are against the idea to ________the new teaching building beside the sports ground.