Little _______ that the region was rich in natural resources about four decades ago.
| A．we did know | B．knew we |
| C．did we know | D．we knew |
---Waiter! How soon can I get my food? I just have half an hour left before my train leaves.
---It be ready in five minutes.
| A．may | B．should | C．could | D．need |
If the drought in Southwest China, the crops will be ruined. Worse still, both people and animals will be threatened with a lack of drinking water.
| A．keep to | B．deeps up | C．keeps off | D．deeps down |
The present financial crisis has greatly contributed to thousands of workersand many factories .
| A．laying off, closed down | B．laid off, closed down |
| C．laid off, closing down | D．being laid off, closing down |
Many animals sleep a lot when young, but sleep much less when they get older, just
is the case with human being.
| A．as | B．which | C．what | D．it |
---Do you mean to play the hero in the play?
--- . But it should be a character I like.
| A．Not surprisingly | B．Not necessarily | C．Not importantly | D．Not absolutely |