----What do you think of the new English teacher?----____she is an elegant lady, she can be extremely difficult to work with.
15. —When Lily fainted, we could have turned to your father for help. —Yes, sending her to hospital _________ necessary.
14. Since the H1N1 flu is spreading, it’s necessary that whoever has a fever _________ to hospital as soon as possible.
13. The struggle against the bird flu and the suffering _________ brought about have become a big concern across the world.
12. —It is reported in the local newspaper that the murderer was caught in a small town. —__________.
11. Mrs. White found her husband surrounded by letters and papers and _________ very worried