A、对比增加
B、对比降低
C、亮度增加
D、亮度降低
A、On behalf of sb, I have the honor to express warm welcome to sb from sp.
B、On behalf of sb, I I feel greatly honored to expresswarm welcome to sb from sp.
C、On behalf of sb, I have the honorto extend warm welcome to sb from sp.
D、On behalf of sb, I feel greatly honored to extend warm welcome to sb from sp.
A、Permit me to express these warm welcome and gracious greetings to our distinguished guests coming from afar.
B、Permit me/ to extend these warm welcome and gracious greetings to our distinguished guests coming from afar.
C、please allow me to extend these warm welcome and gracious greetings to our distinguished guests coming from afar.
D、please allow me to express hese warm welcome and gracious greetings to our distinguished guests coming from afar.
A、I am very delighted to extend this personal warm welcome to ...
B、I am very delighted to express this personal warm welcome to ...
C、On behalf of sb, I feel greatly honored to express warm welcome to sb from sp.
D、On behalf of sb, I have the honor to express warm welcome to sb from sp.
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