Most of _______ads don’t tell you anything real. 

There is ______ “s” and ______ “u” in the word “bus”.

—Do you often play _________ soccer with your friends?—No, I don’t like sports. I often play ________ piano in my free time.

After school, they usually play _____ football for an hour on _____ playground.

He is        have a trip to China Space Museum.