I won’t go and attend his wedding party ___, for his deeds have terribly hurt my feelings.
Her book didn’t ____ children probably because she employed too many scientific terms.
After years of research, he found the key ____ differences between species.
--- Do you know Anna’s telephone number? --- ______. As a matter of fact, I don’t know any Anna, either.
I have two elder brothers, ____ in the army for ten years.
Everyone had an application form in his hand, but no one knew which office ___.