Professor White has written some short stories,but he is_______ known for his plays.

She has many nice dresses. She wears a different oneevery day ______ the week.

nemployment and crime are high, it can beassumed that the latter is due to the former.

Which of the caps will you buy— I’ll buy ______ , one for my father and the other for my mother.

一Hello! May I speak to Mary, pleases一 .