Is Mary friend?—No,isn’t.

Everyone except the twins ____________ Beijing.—Oh, their mother is ill, so they have to look after her.

_____ do you go shopping? —”Once a week.” [ ]

_________ expensive mobile phone it is!—Yes, but I think _________ style is quite fashionable,

________ have you kept the book ? — Since last Month. I ________ return it to the library today or I can’t borrow one next time.