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题目内容
（延安大学-大学英语3（专升本））
27. (单选题) The post office will issue ______ new stamps(本题3.0分)
A、 as long as
B、 as well as
C、 a lots of
D、 a series of
A、 as long as
B、 as well as
C、 a lots of
D、 a series of
参考答案