—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed________12 o’clock last night.
Great Wall is longest wall in the world. A. The , the B. A .a . C. The ,a
—Excuse me. Can you tell me ? —At about 8 o’clock, sir.
—Dad, why must I stop computer games? —For your health, my boy.
Many trees ________ along the streets every year. So the air is very fresh now.
—Dinner is ready. Help yourself! —Wow! It delicious. You are really good at cooking.