_____ there is little we can do to modify the weather, we can at least know what kind of weather to expect.
12. Bungee is an adventurous sport, popular with young adults, ______ courage matters more than strength.
11. The public has complained that large quantities of waste water ______ into rivers without being cleaned, so large amounts of money ______ to solve the problem.
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.