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in, for on, for in, of on, of
satisfied; as long as satisfied; as far as satisfying; as long as satisfying; as far as
what I can do how to do what to do bothA.andC.
Sorry, I won't Yes, I will I can if I wish It's hard for me to do that
unless even if however as long as
hard hardly easily luckily
A.friend told me I don’t think so It’s hard to find It can’t be better
that; of; for it; for; of that; for; for it; of; of
must;must had to;have to had to; must have to;must
a, too an, very .an, too .a, quite