Look! They are ________ TV.
A．watch B．watching C．to watch
Do you enjoy ________？
A．read B．reading C．to read
He wants ________ a ball.
A．buy B．buying C．to buy
They will ________ Hangzhou.
A．visit B．visits C．visiting
辨音，找出画线部分发音不同的选项。(20分)
( )（1）A.use B．study C．student
( )（2）A.hole B．stop C．lot
( )（3）A.clean B．meat C．really
( )（4）A.by B．sunny C．fly