To build a harmonious society, we all have a part to play in the fight ____ injustice, unemployment and crime.
What ___ we had during the trip!
This morning Tom got up ealier ___ be late for school.
I have only one uncle, ____ I can turn to for help.
From the ___ expression on her face, we knew that the problem was ____.
The firemen arrived ___ the fire broke out.