---- How was your school trip to Fangte Amusement Park? ---- Great! we are to try the rides! A. How exciting B. What excited C. How excited
----How about the pollution in the countryside? --- Luckily, it's not as serious as _______ in the big cities.
---Someone is knocking at the door. Who may it be? ---It ______ be Tom. He is still in the school.
Lucy had few close friends. So she didn’t know ________ about the trouble.
Her singing lessons her five hours a week.
He can’t state clearly how long he has ___________ the bicycle?