1. -----Haven't you heard the news? -----What news? ----- Some of the workers are _______ while others are ______.
A.on the march, on strike
B.on march, on strike
C.on the march, on the strike
D.on the strike, on march
2. It's a pity I _____ think of it earlier.
3. When he entered college, he began to learn _____ language.
4. It used to be a small village _____ what it is now.
5. ----- I wonder if I could use your dictionary. ----- Sure. _____.