We must________our daily expense________what we can afford. Or we'll not be able to make ends meet.
—What made her unhappy? —_____.
It was very dark,____Jane seemed to know which way to take at the crossroads.
Noise is unpleasant, ________ when you are trying to sleep.
It's quite warm here; we ________ turn the heating on yet.
Sarah made ______ to the airport just in time to catch her plane this morning.