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general::
Phrase(s): (I) have to be moving along. [and] (I) have to move along.
It is time for me to leave. • Bill: Bye, now. Have to be moving along. Sally: See you later. • Rachel: I have to be moving along. See you later. Andrew: Bye, now. • Sally: It’s late. I have to move along. Mary: If you must. Good-bye. See you tomorrow.
McGrawhill's American Idioms And Phrasal Verbs