n the twoparts of the concert is an interval, ___the audience can buy ice-cream

Turn off the tap and save water! It is everybody’s duty to ________ limited resources.[ ]

They do eye exercises twice a day , so ____of them ____glasses.

That day I saw Mary grab the cat by ______ tail — which was _____ rather stupid thing to do.

So clearly _____ thatI was able to understand much of what he said. [ ]