题目

— have you studied here?—I have studied here for four years.A. How many B. How far C. How long D. How soon 答案：【答案】C【解析】句意：——你在这里学习了多久？——我在这里学习了四年。A. How many多少，对可数名词的数量多少提问；B. How far多远，询问距离远近；C. How long多长时间；D. How soon多久，对将来的时间段提问。根据答语可知，问句询问的是时间段，对“for+时间段”提问用how long，对“in+时间段”提用竖式计算． 856÷40＝(   )……(   )