It was not until early this morning _______ my father came back from work, which surprised us.
.一Will somebody go and get Dr.Smith? 一He’s already been.
The English spoken in the United States is only slightly different from ___ spoken in England.
—They are quiet, aren’t they? —Yes. They are accustomed ______ at meals.
Thank you for all your hard work last week. I don’t think we ______ it without you.
For many cities in the world, there is no room to spread our further, ____ New York is an example.