One of the good things about the use of noise-killing system is _________ it saves the need for a silencer.
. Many great men rose from poverty, Lincoln and Edison ____.
. Marry notices are placed in the park warning people to ____ the grass.
. Let’s hope the weather ____ for Saturday’s tennis match.
You can’t imagine what difficulty I took _____ your home.
.Every time I express an opinion, he always argues ____ me ____ it.