（2017·北京）In the 1950s in the USA, most families had just one phone at home, and wireless phones _______yet.

16. It is reported that they ____ arms andbegan to fight against the invaders .

I’m going to have my waste paper ____ away at once[ ]

____ she couldn’t understand was _____ fewer and fewer students showed interests in her lessons

Are you going to leave now —– youwould prefer me to stay here