I missed what was happening because Iwasn’t ______ very closely

Will you go to the park tomorrow— If you don’t, ________.

Jim, do you know the reason _____ Bob kept silent during the discussion—I guess he was thinking about his sick dog. It might be dying.

After the law was passed, the prisoners in that state are __________ two hours’ outdoor exercise a day.

hadn’t given up after the heavy defeat, the situation I am in now would be totally different.