Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.
A、gooutB
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I don't know how we can make ________ on the timetable for any more courses.
We regret to ________ that it may not be possible to deal with every request.
Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
I'm______tograduateinthenexthalfoftheyear.
Theassociationis________toraisingfundstohelptheblind.
