finix33
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- Dec 27, 2014
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Greetings, this question is in a TOEFL test practice exam.
Water levels in the great lakes (fluctuate dramatically)1 over periods of years (by as much as one meter)2, and during the spring runoff, the level (may rise and fall)3 by as much as two meters particularly in lake Erie, (the shallow of the five)4.
Please add grammatical explanation.
Water levels in the great lakes (fluctuate dramatically)1 over periods of years (by as much as one meter)2, and during the spring runoff, the level (may rise and fall)3 by as much as two meters particularly in lake Erie, (the shallow of the five)4.
Please add grammatical explanation.