No conclusion _______ about the new product until the result of the experiment has been announced.
31. Due to circumstances ____ our control the performance has had to be cancelled.
30. Only those who have experienced hardship ____ well aware of what happiness means.
29. The time is not far away ___ the information will be made known ___ more workers will be trained for their jobs.
28. The Science Museum, _____ we visited during a recent trip to Britain, is one of London’s tourist attractions.
27. _____ was most important to her, she told me, was her family.