单项选择题

He ______ there for half an hour. Let's hurry!

A．has been waiting
B．has waiting
C．was waiting
D．have waited
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You are ______ a lie, I think.
A．telling
B．talking
C．speaking
D．saying
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--Where is the new dictionary--It's on the top shelf, out of ______.
A．order
B．reach
C．sight
D．touch
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