2. 外语
  3. A great number of institutions of higher education______since the founding of People’s Republic of China.

A great number of institutions of higher education______since the founding of People’s Republic of China.

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问题 A great number of institutions of higher education______since the founding of People’s Republic of China.
选项 A、has been establish
B、have been established
C、have established
D、had been established
答案B
解析
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