—Bob, you______ on the phone. —______.
31. Dorothy was always speaking highly of her role in the play, _______ of course, made the others unhappy.
30. With _______ production up 60%, the car company had another excellent year.
29. Instead of leading us a hand, he just stood by, __________________us when we were in trouble.
28. Have you adapted _______ in a different country?
27. To learn Engli8sh well. We should find opportunities to hear English _____ as much as we can.