There is_______ snow in Harbin .

The question that puzzled them is ____ they can get rid of the air pollution in the area.

My plan is _________ the Summer Palace next weekend.

To order tickets for the 2016 Riode Janeiro Olympic Games, just call 00982012. It _______ be simpler.

My mother asked me to repeat ________ phonenumber ________ second time so that she could write it down.