---Please sit down and have a break. You have been working for three hours.---No, thank you. _____.
---Do you know what a computer system ________ ? ---Hardware and software. Am I right?
Michael’s new house is like a huge palace, _______ with his old one.
_____ of the city ____ destroyed in the war that broke out in 1945.
The new dictionaries are very useful. They well and already.
My first _______ of Mr Zhang was that he was a serious person , but in fact, he’s very friendly.