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 |
He left Europe _____ World war II broke out.
| A．during | B．the year | C．while | D．there |
______ the poem a second time, the meaning will become clearer to you.
| A．You having read | B．While reading | C．When you read | D．If reading |
Vicky, _____ born in China, lived and practiced law in public.
| A．was | B．he was | C．although | D．who he was |
If It had been possible, I would have helped him, but I ______ too busy the.
| A．had been | B．would be | C．were | D．was |
We didn’t plan our art exhibition like that but it _______ very well.
| A．worked out | B．tried out | C．went on | D．carried out |