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 |
18. Deng Xiaoping was our general designer of reform and opening up to the outside world(改革开放). After he passed away, his ____were scattered over the sea.
| A．ashes | B．ash | C．dusts | D．Dust |
19. Russia is a country which extends across _____ .
| A．Asia | B．Europe | C．Asia and Europe | D．Africa |
20. "What can I do for you?" or "May I help you?" is a pet phrase used by _____ .
| A．an assistant engineer | B．an assistant manager |
| C．a helper | D．a shop assistant |
21. Move a few steps, and the oil-paintings look better ______.
| A．in the distance | B．at once | C．in the open air | D．at a distance |
22. In fact, the untruthful words made ____ on me. You must answer for that.
| A．a surprise attack | B．much damage | C．a personal attack | D．a great harm |