If our government ______ attention to controlling food safety now, our health ______ in danger.
The price of this computer is the ______ of the three.
--_____ we make it half past seven? --What about _______ it a little earlier?
He walked ________ fast for us ________catch up with.
_______ my mother ________ my sister watches TV plays these days.
The nurse doesn't feel well today, _____ she still works very hard.