问题
选择题
His uncle ____ to be a boy.
[ ]
A. used; playful
B. got used; playful
C. used; play
D. is used; playing
答案
答案：A
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His uncle ____ to be a boy.
[ ]
A. used; playful
B. got used; playful
C. used; play
D. is used; playing
答案：A