下列文学常识的表述有误的一项是（ ）

With housing prices rising sky – high, I doubt whether I can afford a house in my life time

ou come tothe museum by bike yesterday —- NoTwo meters of snow fell during the night As a result, several mainroads __

We work during the week，but weekends and evenings are usually ________

It is a nice digital camera, ________ a little expensive.