摘要：40．Botanists are not sure where the first plant was grown or even ． A．what plant was B．it was what plant C．what plant was it D．what plant it was Section B Directions: Complete the following passage by using the words in the box．Each word can only be used once． Note that there is one word more than you need． A．estimate B．penalize C．driving D．account E．covering F．pocket G．perfectly H．essential

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