One-third of the country _____ covered with trees and the majority of the citizens _____ black people.
"Whereyou put the ruler? I can't see it anywhere." "I put it right here. But now it is "
. "What?" "I my key and can't open the door."
——What should I wear to attend his wedding party? ——Dress ____ you like.
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
——The weather is too cold ____ March this year. ——It was still ____ when I came here years ago.