题目内容
-Jim’s father punished him by prohibiting him from going out at the weekend because he arrived home 2 hours later than usual yesterday.
-I ________ that.I ________ it to his father that he was helping me with my English.It’s all my fault.
[ ]
A.
didn’t know, should explain
B.
don’t know, will explain
C.
didn’t know, should have explained
D.
hadn’t known, would explain
答案:C
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