第10题: [单项选择]Most people have come to realize that it is about time the government ______ further measures to control the population. A. must take B. is taking C. takes D. took 参考答案:D 答案解析:[注释] 本题的语法考点是虚拟语气中用过去时态的句型结构it is(about/high)time that somebody did something。其他选项的时态都不符合此句式。