Direction: Translate the following pairs of phrases into Chinese. Pay attention to the difference between them.

 
come back                go back
finish one's job          do one's job
a farewell party         a welcome party
give a speech            propose a toast
say good-bye to sb.   say hello to sb.
forget to do sth.         forget doing sth.
miss sb.                    miss the plane
on behalf of sb.          for sb.

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