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dates from dates back to dated from dating back to
where; that; which that; that; that that; when; which where; when; that
since the last century for a very long time since a few hundred years ago since a few years ago
proves that the epidemic has been spreading very fast over the past eight years implies that the USAID was not very successful in the past eight years shows that the epidemic has spread too fast to be controlled over the past eight years explains that the epidemic has been controlled
A.few Few A.little Little
works has worked worked was working
built building build being built
It is There is This is That is
build are building will build built
were became have been have made
invent invented are invented were invented
that; where that; that where; that where; where
Since 2002 Four years ago In 2002 Very much
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