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The ______ of the life-raft is sufficient for all of you.
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The public cannot make informed choices of what food they buy because______.A.there is no
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All ______ is a continuous supply of the basic necessities of life.A.what is neededB.for o
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The passage suggests that______.A.there is no definite historical record for life of Valen
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______ for a long time, the ponds are all dried up and a lot of fish are dead.A.There has
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As is known to all, there are many forms of energy, ______is solar energy.A.one of thatB.o
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Speaker A: Do you mind if I sit here?Speaker B:______.A.Not at all. There is plenty of roo