题目内容
The US is ___ number 7, while the UK is _____ the 13th position.
A. on; in B. in; at C. at; in D. of; on
C
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题目内容
The US is ___ number 7, while the UK is _____ the 13th position.
A. on; in B. in; at C. at; in D. of; on
C