Copy the expression ___________, please, without any changes

Our food supply ________. We’d better get some in case there’s none left.

You can’t imagine ________ fantastic fun online chatting is.—Really？But it may cause a lot of trouble sometimes

29 Can you say _____ certain when he willcome here

I have driven for so long, and now I want to have a rest. – _______ . _______ to drive.