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.
Many people believe we are heading for environmental disaster(灾难) _______we radically(根本地) change the way we live .
It’s a long trip and we’ll have to ___________ early tomorrow morning .
The way you thought of _________ the work is very good .
The doctor advised Tom strongly that he should take a holiday, but ________ didn’t help.
Our success _____whether everyone works hard or not.