—How long did David work here?
—For half a year, he didn't leave much_______on us.
| A．expression | B．instruction |
| C．conclusion | D．impression |
______at in this way, the present situation about birds flue doesn’t seem so disappointing.
| A．Looking | B．Looked |
| C．Having looked | D．To look |
______, I think, and all the problems could be settled.
| A．If you make more efforts |
| B．Making more efforts |
| C．A bit more effort |
| D．To have made more efforts |
The TV programme has______on the children as______as the old.
| A．a good effect; good |
| B．a positive effect; well |
| C．a good affect; well |
| D．affect; well |
It was________great shock to the world that two aero-planes crashed into______World Trade Center in New York o September 11th, 2001.
| A．a; / | B．a; the | C．the; the | D．/; the |
Usually John would be late for meetings. But this time, to my surprise, he arrived on time.
A little B. much C. ever D. even