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14、It was quite a ___ for the floor was wet and the train was moving form side to side and I had to stand on one foot.A. danger B. difficulty C. struggle D. toruble
15. The elderly man___ the report is interviewing on TV is a famous specialist.
A. whom B.which C.whose D. what
老师帮忙再把句子的意思告诉我.
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