问题

He hadn’t worked hard at his lessons._______, he failed in the exam.
A:see
B:seeing
C:saw
D:to see;
B:seeing
C:saw
D:to see;
正确答案是:
同类题型
Her grandpa is _______. She has to look after her _______ grandpa in hospital.
Could you please move over a little and make some_______ for me —Sure, please.
____, are you Ben —No, I’m not. I’m Peter.
I forgot ___________ my English book.
The world makes _____ for the man who knows where he is going.