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问题: 大学英语2 阶段作业2 问题3 要详细解释

3、There is a good bus service in Beijing, ______________ ?
A、is it
B、are there
C、isn't there
D、has it

解答:

本题选B
there be 结构的反义疑问句
There is a good bus service in Beijing, _isn't there___ ?
北京的公交服务很好,不是吗?