问题
单项选择题
It is chairman of the department ______ the teaching staff elected him.
A. what
B. whom
C. which
D. that
答案
参考答案：D
解析： It be...that...强调句型。故选D。
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It is chairman of the department ______ the teaching staff elected him.
A. what
B. whom
C. which
D. that
参考答案：D
解析： It be...that...强调句型。故选D。