题目内容
--- Who should be responsible for the heavy burden of the students?
--- ______ the test system instead of the teachers.
A. They should be B. That is C. It. is D. What is
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题目内容
--- Who should be responsible for the heavy burden of the students?
--- ______ the test system instead of the teachers.
A. They should be B. That is C. It. is D. What is