The year of 2013 saw the_______ air pollution in China for 52 years.A. bad B. worse C. worst
---- What did he tell you ,my boy ? ---- He said the sun always ____ in the east.
If you ___ to the Palace Museum next week, I will go with you.
I am looking forward to ____ from you.
. It takes me five minutes ____ home by bike.
----Where is Mary ? -----She ___ a speech on Chinese art in the hall.