________ it is you’ve found, you must give it back to the person it belongs to.
_______ one of you breaks the window will have to pay for it.
In order to support the big family, he worked so hard that he made himself ill.
I am not familiar________these new words,but I will learn them________heart soon.
Our country is developing at an amazing speed,which is________makes me feel so proud.
What annoyed your father was not what you said,but the way________you said it.