问题
选择题
______ a gatekeeper, he has to stay up ______ others are getting to sleep. [ ]
A. Because; when
B. For; while
C. As; with
D. As; as
答案
答案：D
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______ a gatekeeper, he has to stay up ______ others are getting to sleep. [ ]
A. Because; when
B. For; while
C. As; with
D. As; as
答案：D