—Are you going to help John with his Chinese this evening?—No，He ________ to England．He will be back next month．

Linda felt someone ________ on her way home from work yesterday evening, and therefore she was frightened and looked back from time to time.

I _____ the way. I ______ here for quite many years.

—Why are you still here? It’s already seven o’clock.—Because I ________my work. Don’t worry.  It’s almost done.

There _______ less air pollution in the country .