Have a rest. You ________ for a long time.-No. I have to make up for the missing lessons when I was ill.[ ]

My friends have given me lots of_______．They’re very useful.

This meeting room is a non-smoking area. I would like to warn you _____ that if you smoked here you would be fined.

don’t know why he has been absent _______ class for so long.

We here in the rain. We might take shelter in the house over there .