—Excuse me! Look at the sign __________ on the wall, please.—Sorry. I won’t take photos any more.
Sometimes I take a No. 31 bus to work. A.by B.catch C.get
—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.