第一节:语法和词汇（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. It was not until dark that he found he thought was the correct way to solve the problem.
A. what B. 不填 C. which D. that
22. The lady said she would buy a gift for her daughter with the _______
A. 20 dollars remained B. 20 dollars to remain
C. remained 20 dollars D. remaining 20 dollars
23.His painting was just similar ____ Jim’s ____ colour.
A. with; in B. to; in C. in; to D. with; in
