下列几组人类性状中,不属于相对性状的是( )
A:能卷舌和不能卷舌
B:金发和卷发
C:有耳垂和无耳垂
D:黄色皮肤和黑色皮肤
We haven't seen her for many days and there is ______ for her safety.
—Great. ________
After working all day,he was so tired that he was in no______to go to the party with us.