我能给下列的多音字注音。
钉 图钉( ) 假 放假( ) 哄 哄笑( )
钉上( ) 假发( ) 起哄( )
dīng dìng jià jiǎ hōng hòng
Can you see _____________?
A.what he’s reading
B.what is he reading
C.what does he read
D.he reads what
常见的衰落有()
A.多径衰落
B.阴影衰落
C.线路衰落
D.遮挡衰落