问题
Mr Philip has made ______ survey on students’ lunchtime, and ______ survey shows us a lot of problems.
A:an; an
B:the; the
C:a; the
D:the; a
B:the; the
C:a; the
D:the; a
正确答案是:
同类题型
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The students be in the classroom because there are lights in it.
________ that China has the largest population in the world.
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