What can I do for you? I’d like .
A group of are playing beach volleyball.A、child B、children C、woman
— ?—They are reading books.A、What do they doB、What did they doC、What are they doing
His job is fun kind of dangerous.A、but B、or C、and
---I haven't seen Jack for three days. Is he ill?---_______. His mother told me that he was in hospital.
--- How _______ is it from Xi'an to Dunhuang?--- It's less than 3 _______ flight.