15.　 That is why the word colour is spelt color in American English.

14.　 American English has changed over the centuries.

13.　 However, most of the time people from the two countries do not have any difficulty in understanding each other.

12.　 With so many people communicating in English every day, it will become more and more important to have a good knowledge of English.

11.　 What do you mean by……

10.　 If you’ll excuse me now.(失陪)

9.　　　 You don’t need to ask, just make yourself at home.

8.　　　 You must be very tired.

7.　　　 She drives me crazy.

6.　　　 What is it that Joe can’t find in the bathroom?