用“on,in,at,beside,above,under'组几个介词短语。 1. on _____________ 2. in _____________ 3. at _____________ 4. beside _____________ 5. above _____________ 6. under _____________
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【简答题】Why did unemployment increase during the period discussed in the passage? [A] There are fewer jobs in summer. [B] Many companies had dismissed workers. [C] The labor force had grown. [D] Records have ...