2. 职称英语
  3. They haven’t decided _____ the microscope themselves or buy one from the United

They haven’t decided _____ the microscope themselves or buy one from the United

游客2024-08-04  41
问题 They haven’t decided _____ the microscope themselves or buy one from the United States.
选项 A、if to build
B、whether to build
C、either to build
D、neither to build
答案 B
解析
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