Itisstillunderdiscussion_______theoldbusstationshouldbereplacedwithamodernhotelornot.[ ]

Lao Li has made many inventions because he is a very ______ person.

It is ________ that he has been addicted to the drugs and has difficulty quitting it

They are my grandparents. They ________ your grandparents.

My mom always tells me that smoking would be harmful to our health.