Generally speaking, clothing made of man-made fibers is less superior than _______ made of natural fibers like cotton, wool or silk.
I’ll just call Steven to remind him _____ we are meeting at eight.
— Oliver looks a bit upset, did you tell him the bad news? — Yes, but I _____ him after his birthday party.
______ the flight to New York will be put off is ______ I’m especially worried about.
The E-mail Jack had looked forward to ______ last night at last and he was very happy.
I don’t think Albert has ever quite forgiven me ______ getting his name wrong that time.