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These techniques ______effective.
2024-08-22 11:07:58
英语语法(00831)
These techniques ______effective.
A、was
B、be
C、are
D、is
【正确答案】:C
【题目解析】:考查SVC结构,即主语+谓语+补语(表语)。主语为复数形式,谓语动词用复数,故选C。
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