You can take any seat ____ is free.

Mario: Your beloved teacher has arrived here, Nina.

Nina: I______ she ______ until tomorrow.

Do you know the name of that _____ insect?

The time has come _____ we make extensive use of nuclear energy.

We'dbettereliminatejunkfoodsfromourkitchenandkeepavarietyofhigh-qualityfoods_____atalltimes.