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高一课堂错题总结归纳
词组have some difficulty / trouble (in) doing sth 的变化考法
1.You don’t know about the difficulty I had the work then at all.
A. done B. to do C. for doing D. doing
2. You can never imagine what great difficulty I have had _____ the patient who received a serious wound. A. treat B. to treat C. treating D. treated
