2 . 我不知道他是如何在短时间内就适应了新的环境。(名词性从句) （汉译英）
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3 . 这项任务困难的原因在于团队只有有限的资源。(The reason why... is...) （汉译英）
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4 . The young girl was too frightened to speak, standing there for __________ seemed like hours. (用适当的词填空)

5 . Wolves are highly social animals __________ success depends upon cooperation. (用适当的词填空)

6 . The man with __________ I shook hands just now is my daughter’s English teacher. (用适当的词填空)

7 . It matters greatly __________ your parents understand and support you. (用适当的词填空)

8 . It is reported that this organization __________ (raise) over 1,000,000 dollars to help students in remote mountainous areas so far. (所给词的适当形式填空)

9 . The teacher with __________ you talked yesterday is our maths teacher. (用适当的词填空)

10 . Specifically, classical music ____________ orchestral music of the18^th and l9^th century.（指的是）（根据汉语提示完成句子）