8. We are not sure what has caused her_(悲伤).

4.The Blacks are my      (parents) friends.

7. Now he feels much_(健康）after taking more exercise after work.

6. If she_(需要）strength either in body or mind, red can be of some help.

5.    Did you feel_(放松的）when you walked into the room?

4. Walls in hospital are usually white so that patients can feel_(平静的).

3. Can you tell me what characteristic blue_(代表)？

3.   ―Is his birthday on March 6th?

―No. It's on the__________ (nine).

1.   Happy_________ (mother) Day!

2.   Tom is her__________ (two) son.

2.    Let him go to bed because he looks_(困倦的）now.