题目

在横线上填上“>”“<”或“=”。0.84×0.90.841.17÷0.81.170.63÷1.50.639.6÷1.50.96÷0.15 答案：【1】<【2】>【3】<【4】= —When will you return the book to me?    —I’ll give it to you _________ I finish it.       A. once            B. until                   C. as soon as          D. unless