1.____you have tried your best,there is no pity at all.
A Though B Although C When D Now that
2.There is an old saying“Seeing is_____”.Have you ever heard?
A believe B believed C to believed D believing
3.I don't think you ____go out for a walk with your dog.It's best for you to finish your homework first.
A need B needn't C don't need D need to
4.The ____often eat grass on that hill
A chicken B sheep C cow D horse
答案分别是DDAB,需要具体的解题思路.