Nanjing isn’t so large __________ Shanghai, however, it’s the second __________ city in East China.
—I hope to make decisions by myself. —OK. But remember _____ you do, you should think about the results.
—Can I have a day off tomorrow, Mr. Johnson? —_______. I can’t do it by myself without you.
—Have all the students known that our class will visit the factory this afternoon? —Yes. Every student______ about it.
--Sorry, I overslept. I forgot to set the alarm. --Your clock ________. Perhaps you should buy a new one.
--There is somebody knocking at the door. Who________ it be? --I’m not sure. It ________ be a postman.