－－You should have thanked herbefore you left.－－－I

– （)– Thank you. I must say I have a great staff. ？

I believe you have ______ some important points in the report.A．left aloneB．left behindC．l

听力原文：M: Here we are, madam. This is Yangtze hotel.W: Thank you. How much should I pay

Guest: Well I have to be off. Thank you for your wonderful dinner. Host: ______.A.You e

Waiter: Welcome sir. May I help you? Customer:______A.Thank you. Ill have fried tofu and

I believe you have______some important points in the report. A left alone B left behin