单项选择题

I was quite at a loss ______ next.

A．what's to do
B．what to do
C．what to be done
D．how to do
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单项选择题
A．She is busy writing an article.B．She is busy with her study.C．She is busy working in the park.
A．She is busy writing an article.
B．She is busy with her study.
C．She is busy working in the park.
单项选择题
A．He is with his teacher.B．He’ s with his workers.C．He is with the manager.
A．He is with his teacher.
B．He’ s with his workers.
C．He is with the manager.
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