Ⅰ.单项选择(每小题1分，共15分)
1．I have to______for the math test.
A．study B．studying
C．learning D．studied
2．My best friend often invites me ______ delicious food.
A．enjoy B．enjoying
C．enjoyed D．to enjoy
3．I am going to ______ you on Sunday and go bike riding.
A．catch B．accept
C．refuse D．delete
4．Do you know ______ I miss you?
A．how many B．how much
C．how long D．how far
