The spacewalk performed by Chinese astronaut Zhai Zhigang on Saturday afternoon _____a major breakthrough in China's space program
With online course Crazy English has over 20 million students all over China the class through the Internet .
He sat back on the chair, took a book and began to read, ___.
At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.
______ as the “First Lady of Speech”, Dr Lillian Glass is recognized as one of the world’s leading experts on communication skills.
It rained nonstop for ten days , completely our holiday.