Chinese students have fewer weeks ______for the summer holiday than British students.
---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.
--- When did your parents _______? --- They _______ for 20 years.
___________exciting experience we had in Hong Kong Disneyland !.
Mr. Smith, together with his two sons, _______Shanghai for about five months.