My eldest son, _______ the work takes him all over the world, is in New York at the moment.

Only to use this reading room. Students have another room on the second floor.

Every man in this country has the right to live where he wants to, ____ the color of his skin

It’s difficult to tell this picture from that one.—Yes.The differences between the pictures are very________.

I don’t mind ______ if you can’t find anyone else.