He stood there dumfounded without daring ________ his head as a consequence of his wrong action.

______ a chance to learn from the teachers from foreign countries is really an honor for me.

Born in 1976 in Taiwan, Liu Qian found himself _____ to a magic toy in a shop when he was seven years old.

In 2012 MoYan won the Nobel Prize for Literature, ___a host of imitators．

______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.