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should have studied were going to study have studied should study
Because of this reason It is because As a result of For this reason
the all day the whole day whole the day whole day
don’t have haven’t didn’t have hadn’t
should have studied were going to study
have studied should study
on; to at; on from; on from; to
information instruction programs orders
In other words On the other hand For one thing As a matter of fact
should have studied were going to study have studied should study
Because, / Because ,so / , / So, so