_________ you were sleeping, Hack was practicing playing football.
---Is this _______ bike? ---No. ________ is black. A. your; My B. your; Mine C. yours; Mine
---______ is the beef? ----Sixty yuan a kilo. ______ would you like?
There ________ traffic jams in the air in the 2150s.
People often lose things when they are in _______ hurry. A. 不填 B. the C. a
---What can I do for you? ---____________.