In some countries such as France or Italy, it’s common to exchange a kiss when shaking hands, ______ in China, it’s not acceptable

Why are you standing here, Tom—I can’t see the blackboard clearly. Two tall boys aresitting ____ me.

He failed the exam ________ he was too careless.

This morning traffic was ____ by anaccident outside the town hall.

She may not be free today.—___, we’ll have to put the meeting off.