问题
How do you keep in touch with your friends— We ____________ write to each other, but we _________ chatting on QQ now.
A:are used to; used to
B:used to; are used to
C:were used to; are used to
D:used to; used to;
B:used to; are used to
C:were used to; are used to
D:used to; used to;
正确答案是：
同类题型
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Little _____ abut his own safety, though he was in great danger himself. [ ]
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