-Why does the lake smell terrible?-Because large quantities of water .
Can you think of some cases people are likely to tell lies?
—Shall we go out for a walk? —Sorry. I’m too busy to for the moment.
The 2008 Olympic Games, in Beijing, impressed the world deeply.
.—John and Lucia got married last week. Did you go to their wedding? —No, I a lecture in another city.
—Could you do me a favor to hand out these papers? — .