How many more exercise-books do you have ___?A.to correct B.to be corrected C.for correcting D.
问题描述：
How many more exercise-books do you have ___?A.to correct B.to be corrected C.for correcting D.
答
答案是B,主语是exercise-books,因为是需要被corrected的,所以要选被动态,do you have是定语.如果D选项是不填的话,也可以选D,但是和选B的意思是不同的.
选B的意思是你还有多少作业要改的?
选D不填的话意思是你还有多少作业?