A:伊伐布雷定由70个原子构成
B:伊伐布雷定属于有机化合物
C:伊伐布雷定由4种元素组成
D:伊伐布雷定的相对分子质量为468
The man tried (尝试) several times (几次) to start the car, and he succeeded (成功)__________.
Tom sits _____ Jim and me.