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—So ________ you if you fail your final exam.
Only in this way ____________ we ____________ the problem.只有通过这个方法我们才能解决这个问题。
变否定句:
What ________ would happen if the director knew you felt that way?
Please clean our classroom, ________?
It's a fine day. Let's go fishing, ________.
Please open the window, ________?
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