They didn't find the name of the boy in the list, ________, of course, made them very disappointed.
I hope you don’t mind me asking, ________ where did you buy those shoes?
News reports say peace talks between the two countries _______ with no agreement reached.
. The mother didn’t know ___ to blame for the broken glass as it happened while she was out.
The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.
It’s bad _______ for a man to smoke in the public places where smoking is not allowed.