Courage is a kind of quality --- and that’s __________it takes to face the challenges in life.
| A．that | B．which | C．why | D．what |
—Would you mind giving your advice on how to improve our business management?
—if you make ____ most of the equipment, there will be ____ rise in production.
| A．不填；不填 | B．the；a | C．不填；a | D．the；不填 |
Young as he is, David has gained ____ rich experience in ____ society.
| A．the; the | B．a; 不填 | C．不填；不填 | D．不填；the |
Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ a great service.
| A．不填；a | B．the；a | C．不填；不填 | D．the；不填 |
I wonder what it feels like to be one of______really rich. The Jenkinsons already have two Rolls Royces and now they are buying ____ third!
| A．the; a | B．the;the | C．/;a | D．/;the |
Many people are still in _____ habit of writing silly things in _____ public places.
| A．the;the | B．/; / | C．the; / | D．/; the |