Almost there

My daughter is seven and is almost done grade two.  I home school her and she "officially" has 8 days of school left as we are working our way through 9 modules of 18 days each.  I thought with the end being so near she'd be chomping on the bit to be finished and would want to do more so she was finished for the summer.
This, however, has not been the case.  I have been hearing more "I can't do it" or simply "I'm not doing it" complete with the mutinous expression than I have since the beginning of the school year.
I'm with her BUT I know that if she simply buckled down she could be done this week.  Then she could have her beloved summer holidays complete with swimming lessons, dance camp, and branding at Nana and Papas.
Why oh why do children have to be so difficult?? LOL right??  'Cause if I don't laugh I will surely cry.