You would be offered a(n) _____ of $5, 000 for the arrest of the murdered, according to the news on TV last night.
| A．prize | B．aw ard |
C．reward | D．result |
----Why does the lake smell terrible?
-----Because large quantities of water_______.
| A．is being polluted | B．have been polluted |
| C．is polluted | D．has been polluted |
The world economic crisis _______ in 2008, but the global economy began to recover in the second half of 2009.
| A．rose | B．raised | C．aroused | D．arose |
-You won’t go to Mary’s birthday party, will you?
-Yes, _______I’m invited.
| A．even if | B．unless | C．if | D．though |
It is hoped that the president’s visit will_______a better understanding between the two countries.
| A．make for | B．count on | C．show off | D．take up |
.Influenza H1N1 is an illness that can result in death unless left_______in time.
| A．treat | B．to treat | C．treating | D．treated |