2. 外语
  3. ______, the guest speaker was ushered into the auditorium hall to give the lecture.

______, the guest speaker was ushered into the auditorium hall to give the lecture.

admin2013-01-25  24
问题 ______, the guest speaker was ushered into the auditorium hall to give the lecture.
选项 A、Being shown around the campus
B、Having shown to the campus
C、After been shown around the campus
D、Having been shown around the campus
答案D
解析 因为在was ushered into the auditorium hall之前就发生了be shown around the campus这一动作，所以应该用完成时的被动语态。D项为正确答案。
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