【C8】A．celebratingB．commemoratingC．markingD．observing

【C8】A．latelyB．beforeC．everD．never

【C8】A．fullyB．simplyC．seriouslyD．uniquely

【C8】A．intimatelyB．closelyC．longD．well

【C8】A．hisB．himC．herD．its

【C8】A．sufficientB．efficientC．effectiveD．sufficiency

【C8】A．worksB．carriesC．looksD．depends