【简答题】
Fill in the blanks with the words given below. Change the form if necessary.[mingle; harden; disapproval; due; resonate; instinct; fretful; awkward; suspect; feature]9. His laughter[填空1]among the hollow rocks.
【简答题】
Fill in the blanks with the words given below. Change the form if necessary.[mingle; harden; disapproval; due; resonate; instinct; fretful; awkward; suspect; feature]9. His laughter[填空1]among the hollow rocks.