问题
选择题
I _____ to him. He is too serious. [ ]
A. didn't use to talk
B. am not used to talking
C. am not used to talk
D. didn't use to talking
答案
答案：B
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I _____ to him. He is too serious. [ ]
A. didn't use to talk
B. am not used to talking
C. am not used to talk
D. didn't use to talking
答案：B