A modern gymnasium has been set up in ________was a wasteland ten years ago

On October 16, Lu Yitao was appointed director of 2016 Spring Festival Gala, which was not the first time he ________ in charge of the CCTV gala.

The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream

The computer system _____ suddenly while he was playing computer games.

Would you like some_______ Oh,yes, just a little.