问题:
Yesterday Frank worked deep into the night, this is the second time this week he"s stayed up, ____ ?
[ ]
A. didn"t he
B. isn"t it
C. isn"t this
D. hasn"t he
Yesterday Frank worked deep into the night, this is the second time this week he"s stayed up, ____ ?
B. isn"t it
C. isn"t this
D. hasn"t he
[ ]
A. didn"t he B. isn"t it
C. isn"t this
D. hasn"t he
参考答案: