【选择题】有关It is high time that...句型
题目
【选择题】有关It is high time that...句型
It is high time that effective measures ______ taken to reverse this disturbing trend.
A.be B.were
选哪个,请说明理由谢谢!
答案
答案选B.were
It is (high) time that 后面的从句谓语动词要用过去式或用should加动词原形,但should不可省略.如：
It is time that the children went to bed.
It is high time that the children should go to bed.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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