The supermarket, _____last year, is very popular [ ]

My knee( 膝盖) is hurt, my mother put some medicine _______ it.

How do you deal with the disagreement between the company and the customers–The key ________ the problem is to meet the demand _______ by the customers.

_______homework did we have to do that we had notime to play basketball

We will see even stronger China in near future .