respecting

$\$frac{\text{losing}}{\text{C}} \text{ too } \frac{\text{easily}}{\text{D}}.

2. It is not considered ____ to litter in public. A. respectful B. respective C. respected D. respectable

3. The old gentleman was a very ____ looking person, with grey hair and gold spectacles. A. respectful B. respected C. respective D. respectable(全国六级,00.1-43)

A. respective B. respectable C. respectful D. realistic(全国六级,01.1-39)

5. We are all astonished to learn that the apparently ____ professor was really a spy.

A. respectful B. respective C. respectable D. respected(全国英语专业四级,93-73)

6. The ____ physicist has been challenged by others in his field.

7. The ____ physicist has been challenged by others in his field. A. respectable B. respectful C. respective D. respecting(全国英语专业四级,96-62) (参见 adjective $^{4}$ )