—Mark,you look so tired.—Oh,I didn’t go to bed________it was 12 o’clock last night.
--- Do you have __________ else to say for your mistakes?--- ________ but sorry.
About _______of the engineers in my company seem to be in their _________.
--- Could you tell me __________?--- Certainly. In half an hour.
--- Mum, why don’t you have the robot ________ housework for you?--- Oh, it caught a virus, I should have it _________ at once.
If our government _______ attention to controlling food safety now, our health _______ in danger.