The professor said he could talk on _____ interested the audience.
A、anytopicD
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George applied for the position three times ______ he finally got it.
______ that no one was ever prepared for it.
There are some police cars in front. What do you suppose _____?
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
Ofalltheapplicants,______doyouthinkisfitfortheposition?