估算下面各题。(1)81-39≈(2)89-31≈(3)52+29≈(4)31+ 发布时间:2017-04-14 14:59 │ 来源:www.tikuol.com 题型:计算题 问题: 估算下面各题。(1)81-39≈(2)89-31≈(3)52+29≈(4)31+19+38≈(5)49-21+42≈(6)91-37-39≈(7)98-49+27≈(8)61+29-31≈
题型:计算题 He kept a little notebook, in which________ the names and addresses of his friends.[ ]A. wrote B. was writingC. was written D. were written 查看答案