Join these sentences, then check your answer against the text.
连接以下句子，然后对照课文第10行，核对你的答案。
Join these sentences together. Do not refer to the passage until you finish the exercise.
把以下句子连在一起，完成练习后再对照课文核对你的答案。
Join these pairs of sentences with the words given in parentheses.
用括号内所给的词连接以下各对句子。
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