I ______ through that bitter period without your generous help.
He is such a lazy man _______ nobody wants to work with ______.
—Sorry for being late for the party. —________ earlier next time, will you?
Measures must be taken to prevent pollution ________ happily.
______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.
When the question _____ at the meeting, no one could answer it.