问题
I arrived home at midnight, _______ my parents had been waiting for nearly three hours.
A:at that time
B:by that time
C:at which time
D:by which time
B:by that time
C:at which time
D:by which time
正确答案是：
同类题型
No, I don’t remember how many years ago _______ I last visited it.
When does your mother go shopping?-Usually __________ Sunday mornings.[ ]
We should keep the door and the windows _________ to get quiet because it’s too noisy outside.
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