—Look！Here es the bus and I have to go now. Thank you for ing to see me off.
—Goodbye，and ！
A. congratulations
B. all the best
C. cheer up
D. go ahead
网友回答
A. congratulations
(答案→)B. all the best
C. cheer up
D. go ahead
解析：考查交际用语。A祝贺你；B万事顺利，一切如意；C振作起来；D去做吧！句意：—看，公交车来了，我得走了。多谢你来为我送行。—再见，一切如意。故B正确。