问题
选择题
I'd like to send this letter ______ England ______ air. [ ]
A. to; in
B. for; on
C. at; with
D. to; by
答案
答案：D
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I'd like to send this letter ______ England ______ air. [ ]
A. to; in
B. for; on
C. at; with
D. to; by
答案：D