Why the explosion occurred was ____ the laboratory attendant had been careless.
| A．for | B．because | C．since | D．that |
---Are you coming to Jeff’s party ?
---I’m not sure. I ____go to the movie instead.
| A．must | B．would | C．should | D．might |
His movie won several awards at the film festival , _______ was beyond his wildest dream.
| A．which | B．that | C．what | D．it |
--- Have you heard about the sinking of the South Korean Ship ?
--- Sure, it _______ the only thing on the news for the past three weeks.
| A．has been | B．is |
| C．would be | D．had been |
Now that you are our _____ customer, we will allow you a 10% discount if you buy the dress.
| A．common | B．usual |
| C．regular | D．ordinary |
With another ten miles ______, we must speed up so that we can get there before dark.
| A．goes | B．going |
| C．to go | D．gone |