问题
选择题
I'm expecting a pet dog for long, but mom has no time to buy _______ for me.[ ]
A. it
B. one
C. this
D. that
答案
答案：B
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I'm expecting a pet dog for long, but mom has no time to buy _______ for me.[ ]
A. it
B. one
C. this
D. that
答案：B
