When the soldier _____ his shirt, he discovered that his arms were black and blue.
10. The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
9. Many young people in the West are expected to leave ______ could be life's most important decision --- marriage --- almost entirely up to luck.
8. We missed our train, and ___ the next train was delayed, ____ we had to wait for two hours.
7. Not only ______ interested in football but ______ beginning to care about it.
6. Measures have been taken to prevent accidents, but much ______ for more improvement.