问题
选择题
I a lot but I don't play very often now. [ ]
A. use to play tennis
B. was used to play tennis
C. am used to play tennis
D. used to play tennis
答案
答案：D
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I a lot but I don't play very often now. [ ]
A. use to play tennis
B. was used to play tennis
C. am used to play tennis
D. used to play tennis
答案：D