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of which of them of whom of those
while until unless though
required requiring they were required to require
So selfless and warmhearted the young couple were So selfless and warmhearted were the young couple How selfless and warmhearted the young couple were The young couple were such selfless and warmhearted
of who of them of whom of those
a. were was is sits and waits
A． were was is sits and waits
was, was was, were were, were were, was
The young people. The old people. The young and the old people. The parents.
were not doing didn’t do are not doing hadn’t done
usually especially mostly badly
did people live lived people people lived were living people
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