问题
选择题
_____ her mother had come, her face lit up.
A．Hearing
B．Having heard
C．When heard
D．When she heard
答案
答案：D
主句和从句的主语不一致,hear这个动作是she发出的，所以D。
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_____ her mother had come, her face lit up.
A．Hearing
B．Having heard
C．When heard
D．When she heard
答案：D
主句和从句的主语不一致,hear这个动作是she发出的，所以D。