We need to buy （two cartons of）cream for four people．(用how much对括号部分提问)
问题描述：
We need to buy （two cartons of）cream for four people．(用how much对括号部分提问)
答
easy! !!!How much cream do you need for four people?
答
How much cream do we need to buy for four people？
答
how much cream do we need to buy for four people?