II、单项填空(共20分)21. In the center of the room stood a table with a _____ lamp on it, so it is very bright in the room.
In the old days, people ______ a fire with wood in our village.
I have to walk to school today because my bike _____now.
My first______ of him was that he enjoyed telling jokes.
Remember to think actively as you listen in class, ____ you may fall asleep.
The roads are crowded______ walking to work is even quicker than driving.