The number of foreign students attending Chinese universities ________ rising steadily since1990. 

Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a local network and a global network.

I was sleeping when the telephone rang again.It was the third time that I ________ that night.

 The time is not far away when mobile phones _____ widespread in China’s vast countryside. 

Peter had intended to take a job in business, but____ that plan after the unpleasant experience in Canada in 2010.