判断下列各组单词的画线部分有几种发音。(10分)
A．一种 B．两种 C．三种
( )（1）A.cub B．put C．student
( )（2）A.swim B．pig C．kite
( )（3）A.what B．happy C．make
( )（4）A.horse B．short C．for
( )（5）A.brown B．how C．yellow
My birthday is ________ April 16th.
A. ofB. onC. in
Can I play ________ her now?
A. withB. toC. in
---_____tail is that? ---It’s the tiger’s.
A. Who’sB. WhichC. Whose
---Sorry, what are you ___________?
---I’m speaking Chinese.
A. sayB. sayingC. says
Look _______ my summer vocation plan.
A. atB. inC. on