52._________A.. onB. forC. inD. of

Our clothes are low ____ price, high ____ quality.A、at ... onB、on ... atC、to ... inD、in

He had a pain______his back.A．onB．withC．inD．onto

You must hand your application______to the office by Saturday.A．onB．overC．inD．out

She has decided _____ the date for her trip to Los Angles.A.onB.forC.inD.against

The child was knocked _____ by a passing car.A.onB.atC.inD.down

54._________A. afterB. forC. inD. at