【C20】A．atB．overC．underD．on

A．atB．byC．withinD．on

【C19】A．atB．fromC．offD．on

We believe an offence was committed______EU regulations.A．withB．overC．underD．on

【C20】A．handed outB．handed overC．handed inD．handed down

【C2】A．atB．onC．underD．beyond

【C10】A．atB．overC．underD．on