问题
选择题
I___________ frustrated when I watched the English movies. They spoke too fast. [ ]
A. may be
B. used to
C. used to be
D. used to being
答案
答案：C
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I___________ frustrated when I watched the English movies. They spoke too fast. [ ]
A. may be
B. used to
C. used to be
D. used to being
答案：C