How far can you run without stopping—________. I’ve never tried.

No sooner _____ to sleep than the telephone rang oncemore.

I didn’t watch the program “Where are we going, Dad?” yesterday.— I________, either, if my father hadn’t reminded me.

Hurry up! The bus is coming. —Wait a minute. Don’tcross the street _______ the traffic lights are green.

We are now living in _______ world wherecomputers rule our work and daily life．So online searches have already become _______must．