Ⅰ.单项选择(每小题1分，共15分)
1．We have math and Chinese ______ Friday morning.
A．at B．in C．on D．for
2．Nick is ten years old.______ favorite food is chicken.
A．My B．His C．Our D．Your
3．He usually finishes ______ TV at 12：00.
A．watching B．watches
C．watch D．to watch
4．Today we have ______ classes，and the ______ class is math.
A．three；tree B．first；three
C．three；third D．third；three
5．They ______ busy doing their homework.
A．is B．am C．are D．/
