Today, we’ll discuss a number of cases_______ beginners of English fail to use the language properly.
| A．which | B．as | C．why | D．where |
-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 crisisin 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 willa 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 leftin time.
| A．treat | B．to treat | C．treating | D．treated |