-- I think we have met somewhere. -- Was it ____ Monday in May ? And thank you for ____favor you did me fixing my flat tire. A a, a B the . the C a , the D the , a
---Why didn't you tell me the fact earlier? ---I _____ it for granted ______ you knew it.
To his disappointment,the opinion he had stuck _____out wrong.
---He _____ me $ 50 for my MP3.Shall I seel it? ---Why not?Your MP3 is out of date and it isn't worth so much.
---Mr.Smith,I wonder if I could take the Friday off? ---______? It's a bit difficult with so many people away on holiday,you know.
Beijing has a population of 17 million, ________ it one of the largest cities in China.