题目内容
--Do you want one way ________ round-trip?
--Round -trip. We'll return __________December 8th.
--Round -trip. We'll return __________December 8th.
A.or; in | B.and; in | C.or; on | D.and; on |
C
选择疑问句要用or来连接,具体某一天要用介词on.
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