请用括号中所给词的正确形式填空。 1. Marvin, you were walking _______(slow). Please walk more _______(quick). 2. Susie, you were reading a letter _______ (serious). Please read it _______ (sad). 3. Mary, you were setting the table too _______ (noisy). Please do it _______ (quiet). 4. Mike, you were bringing in the food _______ (casual). Please do it _______ (formal). 5. Am I speaking too _______ (fast)? 6. The weather was _______ (terrible) bad.