—Will you tell the secret to the teacher?
—No!_________asked to.
| A．Even though | B．Until | C．Unless | D．When |
45. With the rapid growth of population, the city______ in all directions in the past five years.
| A．has been spread | B．has spread | C． spread | D．had spread |
44. He ______ all his time and energy to his work．
| A．spent | B．cost | C．contributed | D．combined |
43. The Chinese people consider dragon as a ______ of China.
| A．sign | B．mark | C．character | D．Symbol |
42. 
______ this fact, French still has an impact on the English language.
| A．although | B．In spite | C．Despite | D．Even if |
41. This is a ______ problem, which can be seen from her ______ look.
| A．confusing, confusing | B．confused, confusing |
| C．confusing, confused | D．confused, confused |