The pencil-box on the desk as well as the bookmarks _______ to my little sister.

So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.

Are you coming for dinner?　—I’m not quite sure. I ______ go to my uncle’s instead.

Nobody believed his reason for being absent from the class ________ he had to meet his uncle at the airport.

Where’s that report? —I brought it to you ________ you were in Mr. Black’s office yesterday.