People wrote letters to get in touch in the past. Nowadays email has       the way people communicate.

—Have you heard about that school bus accident?—Yes, fortunately all on board including the driver ________.

--- How did you like Nick’s performance last night? --- To be honest, his singing didn’t ___________________ to me much.

(2014·江苏苏州六校联考)The train moved slowly from the station，but________speed as it reached the open country.

The new teacher referred to________to our school yesterday.