问题描述：
3.If he goes on running for_____two hours,he ______like that for hours.A.anther:will have been
3.If he goes on running for_____two hours,he ______like that for hours.
A.anther:will have been running B.a:will run
C.other:has run D.the:will be running
3.If he goes on running for_____two hours,he ______like that for hours.
A.anther:will have been running B.a:will run
C.other:has run D.the:will be running
问题解答：
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