问题
选择题
. Both of my parents insisted _______ a computer for me, but I don’t think it is necessary.
A．to buy
B．buying
C．on buying
D．in buying
答案
答案：C
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. Both of my parents insisted _______ a computer for me, but I don’t think it is necessary.
A．to buy
B．buying
C．on buying
D．in buying
答案：C