—He is eager to try something he has never tried before. —Oh, I see. That’s _______ he’s different from others.
He knows so much about the story. He must have read the book, _______?
He knew the problem was serious and promised to look into it _____ he reached office.
Greatly moved by what she did,_________.
—How wise of you to come round, but why? —________that all is right.
If better use is _____ your spare time, you’ll make greater progress in that.