第一部分英语知识运用（共两节，满分45分）
第一节单项填空（共15小题：每小题1分。满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．—Why was Professor Johnson unhappy those days?
—Can't you see it clearly? The only reason was that the theory he stuck to_____ wrong．
A．proving B．being proved
C．proved D．was proved
2．The car has been well maintained and is _____ excellent condition．
A．in B．under C．on D．with
