You shouldn’t have the machines ______ all the while. You ought to have them ______ now and then.
I don’t think the problem you referred to is worth______.
---I’m taking part in the 200-meter race tomorrow. ---_________.
—Why didn’t you tell him about the exciting news? —He rushed out of the room ______ I could say a word.
______ production going up by 60%, the company had another excellent year.
---How much salt did you put in the dish? ---I’m sorry to say, _______. I forgot it.