alone in the dark room the little girl was so frightened as to cry loudly.A. LeavingB. L

问题补充：

alone in the dark room, the little girl was so frightened as to cry loudly.

A. Leaving

B. Left

C. Having left

D. To be left

答案：

A. Leaving

(答案→)B. Left

C. Having left

D. To be left

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