The professor has given us _______________ advice on how to improve our memory.

We can’t pass the exam _____ the teacher’s help. [ ]

How did the accident happen?— You know, it difficult to see the road clearly because it .

Day ______ day, I became closer _______ everyone in my class.[ ]

Excuse me, which is the way to ______ Zheng Banqiao Memorial Hall? — Walk along the road, you’ll find it on______ right.