问题
选择题
It's easy _____ us to finish the homework _____ time.[ ]
A. for; on
B. to; in front of
C. for; before
D. of; at
答案
答案：A
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It's easy _____ us to finish the homework _____ time.[ ]
A. for; on
B. to; in front of
C. for; before
D. of; at
答案：A