Informal | Formal |
---|---|
so | therefor |
choose | select |
look for | seek/search |
maybe | perhaps |
say no | reject |
buy | purchase |
sorry | apologize |
tell | inform |
need | require |
ask | request |
check | verify |
get | receive |
help | assist |
start | commence |
mad | insane |
go up | increase |
tough | difficult |
book | reserve |
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