下列实验操作正确的是[ ]
A.
B.
C.
D.
答案:A
比一比,再组词。
娱( ) 逾( ) 缢( ) 晰( )
误( ) 愉( ) 溢( ) 淅( )
Mr. Han, my neighbor, is always helping those who are in trouble without expecting anything __________.
A.in turn
B.in return
C.in detail
D.in addition