Using many symbols makes _______ to put much information on a single map
.--- Are you going to stay overnight? --- Not__________it’s really necessary.
.A volunteer is a person willing to help others, one who offers to do something without__________.
.The program “Hear with Yushu, Love Has No borders” told touching stories about rescue volunteers, whose brave deeds__________never be forgotten.
.We didn’t tell Susan about our plan__________upsetting her.
.Though the teacher had tried to make the problem easy__________, still Lily and her partner were at a loss.