We are _____to see so many interesting books in the library. Now we have _____ to read.
A group ofare playing beach volleyball. A、child B、children C、woman
—? —They are reading books. A、What do they do B、What did they do C、What are they doing
His job is funkind 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.