问题描述：
This time yesterday Jack ______ his bike.He ______ TV
A.repaired; didn't watch
B.was repairing; watched
C.repaired; watched
D.was repairing; wasn't watching
A.repaired; didn't watch
B.was repairing; watched
C.repaired; watched
D.was repairing; wasn't watching
问题解答：
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