35. The companies are working together to create _____ they hope will be the best means of transport in the 21^st century.

34. The manager as well as the staff _____ chatting cheerfully during the tea break when the boss came in.

33. The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.

32. It was hard for him to learn English in a family, in which _____ of the parents spoke the language.

31. Make sure you’ve got the passports and tickets and _____ before you leave.

30. Was it in 1969 _____ the American astronaut succeeded _____ landing on the moon?

29. The day we had been looking forward to _____ at last.

28. We had an anxious couple of weeks _____ for the results of the experiment.

27. I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone.

26. We went right round to the west coast by _____ sea instead of driving across _____ continent.