_____ smoke, please gooutside because this is a non-smoking office.

_______ busy schoolwork, the children also have to take arts, music and sports classes in their free time.-I wonder what they will become.[ ]

Sustainable development is long-term ____ which focuses on the environment and ____ naturalresources.[ ]

Bad luck! It’s too late.— It doesn’t matter. The concertforonly a few minutes. You can’t miss it.

Who is considered ________ the telephone, do you know?[ ]