"巧妇难为无米之炊",说明了() A必须善于发挥人的主观能动性 B物质是不以人的意志为转移的客观实在 C人既不能创造规律,也不能消灭规律 D人的能动作用受客观条件制约
46. He hesitated about the brake, otherwise the accident ______.
45. The population of China ______ to many times what it was in 1949, and most of its population ______ farmers.
44. Please tell me ______ you would like to have your coffee --- black or white?
43. ______ he was absent, I was expected to take his place greatly surprised me, for I didn’t have much experience.
42. You’d better start it right away ______ you forget it.