形容詞與副詞及其比較級與最高級
From his ________ voice on the phone I know everything is going under way

詞形變化：

1. straight（副詞）______    2. trouble（形容詞）______

3. far（比較級）______ 　　  4. distant（名詞）______

5. direction（動詞）______   6. cross（介詞）______

7. thank（形容詞）______     8. left（反義詞）______

形容詞與副詞及其比較級與最高級

 From his ________ voice on the phone I know everything is going under way

  A) satisfactory      B) satisfying          C) satisfied           D) satisfactory