单项选择题

（）such work before, she asked advice,from many experienced workers and planned everything carefully.

A．Having never done
B．Having been done
C．Having done
D．Never having done

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单项选择题
What’s the problem with the woman（）

A．She is curious about.the headphone.
B．She is enjoying some nice music.
C．She is trying to catch every word.
D．She is ill at ease about her listening.
单项选择题
What does this conversation tell us about Peter（）

A．He will return from China in two weeks.
B．He is studying Chinese in China.
C．He is having a vacation in China.
D．He is planning to go back to China.
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