2. 职称英语
  3. Although the first part of the book is easy, the rest______.A、are difficultB、ha

Although the first part of the book is easy, the rest______.A、are difficultB、ha

游客2023-11-20  56
问题 Although the first part of the book is easy, the rest______.
选项 A、are difficult
B、has proved difficult
C、is supposed difficult
D、have been found difficult
答案 B
解析
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