The bank is ______ the street, so go ______ the underground passage, and you can get there.
13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.
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.