（题文）The water supply has been cut off temporarily because the workers ________ one of the main pipes.

In fact you ____ outside by taxi. My car was here. [ ]

What do you need to say—No person smokeor carry a lighted cigarette in this special room

___ in Current Biology, thefinding suggests that female birds seek mates with superior singing skills

Chris, could you help me __________my dog while I’m on holiday—Sure. I’ll take good care of it.