There was less food for birds and also for the Prairie dog, an______holes in the ground.

Comparison may make something appear more beautiful than it is when ______ alone.

You can’t imagine no one in the village _____ him and what difficulty we had ______ his family.

 In the last year, China has sent up many ______ satellites, _______ a weather satellite, a science satellite, a TV satellite and so on.

A big earthquake __________7.1 on the Richter scale struck Yushu, knocking down buildings and causing more than two thousands people to lose their lives．