In my dream, I still remember the places _____ many tombs(坟墓).
—I wonder___ like to be an astronaut(宇航员).—I don’t know, but I imagine it’s exciting.
___buy your ticket from a ticket machine. There are lots of people there.
I’m going to be late for work. There’re ___ buses on this route(线路).
It is very important ___people to have food and water every day.
Listen! The phone ___. Please go to answer it.