The driver drove _______ hit at a big tree and the car came to s stop.
| A．too carelessly to | B．carelessly enough to |
| C．so carelessly that he | D．so careless that he |
Shortly after the accident, two＿＿＿police were sent to the spot to keep order．
| A．dozen of | B．dozens | C．dozen | D．dozens of |
These tables and desks are all made of＿＿＿＿＿．
| A．a wood | B．some wood | C．the wood | D．wood |
Jumping out of＿＿＿＿＿airplane at ten thousand feet is quite＿＿＿＿＿exciting experience．
| A．不填； the | B．不填； an | C．an； an | D．the； the |
The warmth of＿＿＿sweater will of course be determined by the sort of＿＿＿wool used．
| A．the； the | B．the；／ | C．／； the | D．／；／ |
Paper money was in＿＿＿use in China when Marco Polo visited the country in＿＿＿thirteenth century．
| A．the；／ | B．the； the | C．／； the | D．／；／ |