【C3】A．For exampleB．In additionC．In conclusionD．For good

【C16】A．for exampleB．for instanceC．such asD．about

【C2】A．for exampleB．such asC．as a resultD．in fact

【C6】A．In factB．In additionC．In generalD．In theory

A．for exampleB．as forC．such asD．as to

"For instance" means（).A、for exampleB、for sake ofC、at instanceD、instantly

【C4】A．for exampleB．as toC．such asD．apart from