【C2】A．IfB．UntilC．DespiteD．Unless

【B3】A．IfB．AsC．ThoughD．Unless

【C2】A．RegardlessB．BeneathC．DespiteD．Since

【C6】A．ifB．untilC．whenD．though

【C6】A．even ifB．untilC．ifD．when

He was warned______he should make the same mistake again.A．ifB．givenC．lestD．unless

【C2】A．thereforeB．ifC．despiteD．although