The scientist corresponds with colleagues in order tolearn about matters ______ to her own research.

he is very poor, he feels very happy.

Barbara is easy to recognize as she’s the only one of the women who ______ evening dress

eek a tennis ball hit me on the head, but I tried to _______ the pain, believing that it would go away sooner or later.

Are you going anywhere—I ______about visiting my sister, but I have changed my mind.