Asthenumberoflocalresidents'visitstopublicswimmingfacilitiesclimbs,__________thedemandforlifeguardstosupervisethem.
A.as to B.Aas does C.as long as D.whereas正确答案B
Asthenumberoflocalresidents'visitstopublicswimmingfacilitiesclimbs,__________thedemandforlifeguardstosupervisethem.
A.as to B.Aas does C.as long as D.whereas正确答案B