______finishing his homework ,he went to play basketball.A In B Upon C At DWith

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______finishing his homework ,he went to play basketball.
A In B Upon C At DWith

B
Upon/On doing sth.
= as soon as 一...（就..）的意思

______finishing his homework ,he went to play basketball.A In B Upon C At DWith his His his mind ()his work his所有格 His mistakes his right his sister try his his是什么意思 his home restore his change his find his find his at his pack his His name