问题
选择题
Do you think the mixedability teaching ________ the brighter students ________?[ ]
A. holds; on
B. holds; back
C. holds; up
D. holds; out
答案
答案：B
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Do you think the mixedability teaching ________ the brighter students ________?[ ]
A. holds; on
B. holds; back
C. holds; up
D. holds; out
答案：B