A-A+
Some of the scientists assert that there is __
问题详情
Some of the scientists assert that there is ______ UFO in the world.
A．no such thing as
B．no such thing as an
C．no such a thing as a
D．no such thing as a
参考答案
正确答案：D
解析：这里主要是搭配的问题。词序应该是no such thing (s)。后面无论是跟单数名词还是复数名词，名词前面都不用加冠词。而这里介词as后面的冠词应该是a，因为后面的单词UFO是辅音U开始的缩写。
