问题
选择题
Mum, I arrived at the train station twenty minutes ago, but Betty up yet.[ ]
A. hadn't turned
B. won't turn
C. hasn't turned
D. didn't turn
答案
答案:C
Mum, I arrived at the train station twenty minutes ago, but Betty up yet.[ ]
A. hadn't turned
B. won't turn
C. hasn't turned
D. didn't turn
答案:C