It was in the remote mountain areas ______I spent the gap year ______ I learned how to work with a group of strangers andhow to look after myself

Liu Xiang has failed over and over again in the pastyears. And that’s _________ he succeeds.

Wang Zhizhi must have arrived in Beijing yesterday, ______? [ ]

Please open the window, Daniel.—_________ I can’t hear you well.

Why does teaching as a career ________ many people