C项，应这样说："Sorry，I've had enough."

例4-What about having a drink?

-　　　　

A.　Good idea. B.　Help yourself.

C.　Go ahead,please. D.　Me,too.

思路解析　

根据题意"要喝一杯么？""好主意。"完整的答语应是It's a good idea。B项help yourself的意思为"请随便（喝）"；C项Go ahead,　please意为"请继续"；D项Me，too意思为"我也是"。显然都不符合题意。

答案：A

例5-I'm taking my driving test tomorrow.

-　　　　　!

A.　Cheers B.　Good luck

C.　Come on D.　Congratulations

思路解析　

本题的语境是"明天我要参加驾驶考试""祝你好运"。完整的答语为(I wish you)Good luck。其余三个选项的答语均不符合此语境。

答案：B

黑色陷阱