问题
选择题
At Sam’s birthday party he had many guests, who were ________friends of his.
A．mostly
B．usually
C．specially
D．nearly
答案
答案：A
考查副词：A. mostly大部分B. usually通常C. specially特别，尤其D. nearly几乎，句意是：在Sam的生日聚会上有很多客人，大部分是他的朋友。选A。
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