问题
选择题
—What's this _____ English?
—It's _____ eraser.
A. in, a
B. on, an
C. in; an
D. at, a
答案
C
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—What's this _____ English?
—It's _____ eraser.
A. in, a
B. on, an
C. in; an
D. at, a
C