Some people who don't like to talk much are not necessarily shy;they ________ just be quiet people.
Mary hasn't decided whether to take up tennis, basketball, or ___.
You’d better come to my home tomorrow, because ___ to show you some of my best stamps.
“Do you mind ___? ” “Go ahead.”
___ darker now, we had to stay in the village for the fight.
“Did he repair his bike all by himself that day?” “No, he ___.”