题目内容
6. In order to make it clear,I must go up to second floor and ask him second time.
A. the;a B. a;the C. the;the D. /;the
A
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题目内容
6. In order to make it clear,I must go up to second floor and ask him second time.
A. the;a B. a;the C. the;the D. /;the
A