【22】A．inB．atC．withinD．with

【C16】A．inB．atC．onD．with

【C6】A．inB．atC．ofD．on

【C5】A．inB．atC．onD．upon

【C2】A．InB．AtC．ToD．On

【C9】A．inB．atC．onD．upon

【C5】A．inB．atC．withD．for