第二部分：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，并在答题卡上将该项涂黑。
21．— What do you think is ______ to happen tomorrow?
— Sorry, I don’t know.
A. likely B. possible C. probably D. perhaps
22．If my brother lived here today, he would be surprised by what _______ here in the city.
A. had happened B. had been happened C. has happened D. has been happened
