Theprofessorworkedfor7hoursata________.
A、stretchA
此题考查的是固定词组搭配。 at a stretch 一口气地
Generally,adictionarycoversthefollowingcontentsEXCEPT______.
Weweretoldthatthestonefigure_______backtothe16thcenturywasofgreatvalue.
Whathetolduswasmoreofa(n)________thanareality.
Washingthefooddownwithwaterasasubstitute________chewingisnotagoodhabit
Moderneconomics________thecountry’sagriculturalpolicies.