【C10】A．byB．toC．forD．with

【C10】A．ByB．InC．ThroughD．With

A．byB．inC．forD．with

【C10】A．look upB．look toC．look forD．look forward to

【C15】A．caused byB．led toC．made forD．turned to

【C19】A．byB．toC．onD．with

【C10】A．until atB．due toC．in forD．up to