2. 职称英语
  3. Mr. Black ______ in summer in the lake near his house. But now it is heavily pol

Mr. Black ______ in summer in the lake near his house. But now it is heavily pol

游客2023-10-08  17
问题 Mr. Black ______ in summer in the lake near his house. But now it is heavily polluted.
选项 A、used to swim
B、used to swimming
C、were used to swim
D、was used to swimming
答案 A
解析
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