◎ 题干
—Will you drop ________ us tomorrow evening for a talk?
—Sounds great! 
[     ]
A. on in
B. on at
C. in at
D. in on
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Will you drop ________ us tomorrow evening for a talk?—Sounds great! [ ]A. on inB. on atC. in atD. in on…”主要考查了你对  【介词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。