My neighbor asked me _______ I heard the big noise last night.
–-You should be _______ careful when you take the chemistry exam. ---I agree. In this way, I will make _______ mistakes.
Tom is weak in physics. He always feels _______ before he takes a physics test.
The second book ______I want to read is Business @ the Speed of Thought.
–There is _______ interesting book on the teacher’s desk. --Oh, ______ book is Wei Fang’s.
—Sorry, sir. I made a mistake again. —________. Practise more and you’ll do better.