【C5】A．similarB．exactC．regularD．different

A．randomB．rareC．regularD．rough

【34】A．similarB．longC．differentD．short

【C9】A．similarB．sameC．newD．different

【C17】A．intenseB．professionalC．regularD．strict

【C4】A．seriousB．difficultC．regularD．convenient

【C3】A．formalB．continualC．regularD．circular