问题
选择题
Write ___ “s” here and write ___ “h” there, please.
A．a…a
B．an…a
C．a…an
D．an…an
答案
答案：D
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Write ___ “s” here and write ___ “h” there, please.
A．a…a
B．an…a
C．a…an
D．an…an
答案：D