根据对话选词填空 How much is this? This backpack is 45 yuan. That one is .It's only 30 yuan. I will tak
根据对话选词填空
--How much is this?
--This backpack is 45 yuan.
That one is______(expensive/cheap).It's only 30 yuan.
--I will take that one.
答案：cheap
根据对话选词填空
--How much is this?
--This backpack is 45 yuan.
That one is______(expensive/cheap).It's only 30 yuan.
--I will take that one.
答案：cheap