Every possible means _______to prevent the air pollution, but the sky is still not clear.
—Did you return Fred's call?—I didn't need to ________ I'll see him tomorrow.
A small car is big enough for a family of three ________ you need more space for baggage.
The weather was ________ cold that I didn't like to leave my room.
—Have you got any idea for the summer vacation?—I don't mind where we go ________ there's sun,sea and beach.
The lawyer seldom wears anything other than a suit ________ the season.