Time ___, we’ll visit the university next week.

I ______ where he lives— Don’t you carry your address bookNo, I ______ to bring it

It was ______ that they all went swimming in the river.

Look! Tony, your books are everywhere. Please put them _______ .

Compared with the generation of our grandparents, who grew up in an age when people were _____ in almost every kind of materials, we should be content with the abundant supply.