He was walking uncomfortably in the street ___________ he had hurt his leg.

No wonder he looks tired! He’s been studying for the exams all week, ____ he’s been working in a bar at night. 

一Why didn’t you try your best to get on the bus?
一I tried to，but ______ I could，it started moving．

He spoke through a microphone , ______ he was clearly heard in the great hall.

________ the boss has arrived, let’s begin our discussion right away.

We were having a meeting _________ suddenly someone knocked at the door.

It ____ we had stayed together for a couple of weeks ____ I found we had a lot in common.

Fast ____ you read, you can’t finish the book in two days.

She asked me __________I __________him the night before.

Here are my neighbours ________home was destroyed by the earthquake.