问题
选择题
Those students argued ________each other ________whether the research into human cloning should be carried out.[ ]
A. for; over
B. to; about
C. of; over
D. with; about
答案
答案：D
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Those students argued ________each other ________whether the research into human cloning should be carried out.[ ]
A. for; over
B. to; about
C. of; over
D. with; about
答案：D