The same gestures, signs and so on, in other words, body language, may express different ideas or meanings in different cultures, so don’t use them _______ you are definitely sure of what they mean so as to reduce misunderstanding ______ the smallest number.
| A．until; with | B．unless; to | C．until; by | D．unless; by |
I look forward to my fifth trip to this land _______ I will pay a state visit to Australia and attend the ninth G20 summit, in Brisbane.
| A．during which | B．on which |
| C．at which | D．which |
Your ideas are very interesting, but we need ______ suggestions to get us out of the trouble.
| A．impressive | B．brilliant |
| C．practical | D．permanent |
It has been said that “happiness is like a butterfly, which, when________ , is always beyond our grasp, but which, if you will sit down quietly, may alight upon you.” (pursue)
| A．pursuing | B．pursued |
| C．to pursue | D．having pursued |
—Why does the River smell terrible?
—Because large quantities of water .
| A．have polluted | B．have been polluted |
| C．has been polluted | D．is being polluted |
The magnificent land of Australia has ______ worldwide attention with its exotic, charming landscape, dynamic economy, vibrant people and diversified culture.
| A．attracted | B．spread |
| C．updated | D．described |