Is there a classroom building ____ the school–Yes, and there are some tall trees ____ the classroom building.

It is easy for people to ______ the bad habits such as smoking and drinking, which are not so easy to get rid of.

．Behind the hill lies the school I’ve studied for three years

Every hour and every minute ______precious to usbecause only six months are left for us to prepare for the college entranceexaminations.

What are the students ________ about?— Whether Senior 3 students should join in the coming school sports meet. [ ]