Madame Curie, for _____ life had once been very hard, was successful later.
The local police said they had received reports of seven cases of murder, which caused__ among the locals.
English became the official language for business __ the fact that the population was largely Chinese.
When __, the wholesale vegetable market will be the largest one in China.
To children, good habits do not come, so parents and teachers need to be their role models.
David apologized to me yesterday. __, I won't forgive him for it was not the first time that he had hurt me.