礼仪英语：Say Good-Bye
i have a meeting soon.
i have an engagement soon.
i have an engagement very shortly.
i have an date very shortly.
i think i'd better go now.
i think i should go now.
i think i ought to go now.
i think i must go now.
it's getting dark.
it's getting dark outside.
i've to go quite soon.
i must go quite soon.
i must leave quite soon.
i've got to go leave in a few minutes.
it was fun to get together again.
it was exciting to get together again.
it was exciting to talk to each other.
