His mother insisted on his taking a thorough rest before he left London.变成→His mother_____that he_____ _____a thorough rest before he left Lodon

His mother insisted on his taking a thorough rest before he left London.变成→His mother_____that he_____ _____a thorough rest before he left Lodon
His mother insisted on his taking a thorough rest before he left London.
变成→His mother_____that he_____ _____a thorough rest before he left Lodon

His mother insisted on his taking a thorough rest before he left London.变成→His mother_____that he_____ _____a thorough rest before he left Lodon
insisted was taking