“Have you handed in your schoolwork yet?”
“Yes, I have. I guess it ______ now.”
A. has graded
B. is graded
C. is being graded
D. is grading
“Have you handed in your schoolwork yet?”
“Yes, I have. I guess it ______ now.”
A. has graded
B. is graded
C. is being graded
D. is grading
| C |
| 因为句子的主语it和动词grade是被动的逻辑关系，所以应该使用被动形式，排除 A和D，从时间状语now可以知道应该用进行时. |