If there had not been a hard layer of rock beneath the soil

if there had not been a hard layer of rock beneath the soil, If there had not been a hard layer of rock beneath the soil if there had not been a layer of rock beneath the soil they The house stood where there had been a rock. If there had not been 改成 had not there been If the doctor had not been there yesterday,_____________ bab the house stood at which there had been a rock是什么从句 The house stood where there had been a rock.该怎样翻译? The outer layer of the skin reflects activity beneath its su If the Houses of Parliament had not been burned down in 1834 英语翻译1.If the rules of perspective had not been discovered,no 英语翻译1,If there had been no Charlie Chaplin,the history of wo