I work in a business ______ almost everyone is waiting for a great chance．
| A．how | B．which | C．where | D．that |
25. __________ all my homework unfinished, I am not allowed to go online to play games.
| A．To | B．For | C．With | D．Without |
24. The Niagara Waterfalls, ______ is shaped like a semicircle, are 670meters wide, and fall 56 meters in an awesome white sheet of water.
| A．what | B．where | C．the largest of which | D．in which |
23．Some people tried to separate our country by taking illegal action, which didn’t exactly _____ racial harmony.
| A．make it | B．make for | C．make out | D．make up |
22．She used to be terribly shy, but a year abroad has completely _________ her.
| A．transmitted | B．transported | C．transplanted | D．transformed |
第二部分语言知识运用
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．Some of the exercises appear to be _____ones that you have done, but after taking____second look, you will find that they are different.
A. /, the B. the, the C. the, a D. /, a