. It used to be thought _____ the Earth was flat.
| A．as | B．when |
| C．since | D．that |
It seems that living green is ______easy and affordable. A small step masks a big difference.
| A．exactly | B．fortunately | C．surprisingly | D．hardly |
The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
| A．delay | B．effort | C．schedule | D．consideration |
The Somali robbed frequent attacks on the sea urged the United Nations to_____all nations to take immediate action.
| A．fight for | B．apply for | C．call on | D．wait on |
We are at your service. Don’t _______to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
-Your mum is very kind. 
-Yeah, My mum is pretty considerate, you know what_____ ,she always arranges everything around me.
| A．she means | B．you mean | C．I mean | D．we mean |