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．When I came into the classroom , I found him _______ with his study.
| A．occupied | B．occupying | C．to be occupied | D．was occupied |
---There must be a dozen pens in this house but I can never find one when I need one.
--- Keep looking. ____ is sure to turn up.
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-- _____ was it ___ makes him so upset.-- What you said at the meeting.
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Beijing plans to build more Olympic Games sites in universities____ resources after the Games ____.
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--- Would you like to go to the concert with me, Mary?
--- I have got no interest in it; ____, I have lots of homework to do.
| A．otherwise | B．besides | C．however | D．therefore |
Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first _____.
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