I'm good ________ English.
A．at B．in C．for
I'm doing ________ homework.
A．me B．my C．he
What are you ________？
A．doing B．do C．does
I'm listening ________ the radio.
A．/B．forC．to
找出每组单词中画线部分发音不同的一项。(10分)
( )（1）A.watchB．whatC．take
( )（2）A.readB．teaC．head
( )（3）A.listenB．tenC．pen
( )（4）A.musicB．upC．use
( )（5）A.lookB．footballC．zoo
He's playing ________ a toy.
A．for B．with C．at