问题
选择题
单项选择。
Look at boy. He is playing football. [ ]
A. at, an
B. the, /
C. /, the
D. the, the
答案
答案：B
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单项选择。
Look at boy. He is playing football. [ ]
A. at, an
B. the, /
C. /, the
D. the, the
答案：B
