Our kind teacher wanted to teach us _______ he knew about this lesson.

They had no sooner arrived at the bus station than the bus

When ，____your father ____back When he _________ back, please give me aring.

I have a sore back. You should _____ down and rest.

How do you look at the issue —My point is that our government_______ make the public aware of the seriousness of water shortage