It's ______ ruler. It's ______ orange ruler.A.a;an B.an;a C.a;the
I will never forget the song ________ she sang last night.
–Can you tell me ________ from here? --About five miles.
________ quiet, please. My baby is sleeping. A. Be B. Being C. Is C. Are
The telephone ________ in 1876.
Look! The workers ________ some subways now. the traffic in Nanning will be better soon.