问题
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There are more and more ______ of software for accounting, this has made the different types of software more accessible in terms of costs and variety.
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The______of finding gold in California attracted a lot of people to settle down there.A.pr
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Arriving at the airport, ______ waiting for the security check.A.a lot of peopleB.a lot of
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On Sundays there are a lot of children playing in the park, ______ parents seated together
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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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Most electronic devices of this kind ______ manufactured for such purposes are tightly p