第三节 语法和词汇知识（共15小题；每小题1分，满分15分）
从每小题的Ａ、Ｂ、Ｃ、Ｄ四个选项中，选出可以填入空白处的最佳选项，并填在答题卡上将该选项涂黑。
11. My hometown has changed so much that I can't ________ it.
A．know B．understand C．recognize D．realize
12.There was a lot of fun at yesterday's party. You ________ come，and what a pity!
A．might have B．should have C．could have D．would have
13. Good use that the villagers have been ________ the water resources has brought them a large income.
A．making of B．putting into C．taking on D．providing with
14. The child asked his mother go out to play tennis.
A. that he could B. if he could C. whether could he D.that if he could
