问题
选择题
He has been in the countryside for many years, so he ________ the life there.[ ]
A. used to
B. has got used to
C. has used
D. was used to
答案
答案：B
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He has been in the countryside for many years, so he ________ the life there.[ ]
A. used to
B. has got used to
C. has used
D. was used to
答案：B
为正定矩阵。