【单选题】【消耗次数：1】
7. They hope to_________the source of the infection.
①
track down
②
look down
③
look at
④
back down
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Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[ought to; look forward to; in wonder; give way to; look down; on the way to; reach out; put one’s arm around; trip over; cut into]7. Once,[填空1]a movie, she was knocked down by a running bicycle.
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Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[ought to; look forward to; in wonder; give way to; look down; on the way to; reach out; put one’s arm around; trip over; cut into]1. My dear, do not[填空1]such gloomy thoughts. Let us hope for better things.
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Can you turn down the radio, please?
①
Oh, I know
②
I’m sorry, I didn’t realize it was that loud
③
I’ll keep it down next time
④
Please forgive me
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Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[ought to; look forward to; in wonder; give way to; look down; on the way to; reach out; put one’s arm around; trip over; cut into]4. If you dont lace up your shoes, youll[填空1].
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