单句改错。下列句子每句均有一处错误，请指出并改正。
I’d like to play basketball with you, but I have too many homework to do.
A                               B             C             
错误项_______改正_________
I’m sure of finish my work in 2 days .
A          B   C
错误项_______改正_________
If you don’t go to the park, he won’t go there, too.
A                         B          C
错误项_______改正_________
David fell sleep in the class because he stayed up too late last night.
A                B        C
错误项_______改正______
The schoolbag mustbelong toTom’s.
A     B      C
错误项_______改正_________