1编号：22593题型：单选题测试正确率：51.22%
—Which is the biggest number of the four?—. ______________________.
2编号：22592题型：单选题测试正确率：53.89%
Nowdays of business letters are written in English.
3编号：22591题型：单选题测试正确率：67.83%
There are days in a week and Tuesday is day of the week.
4编号：12690题型：单选题测试正确率：58.57%
He has been swimming for .
5编号：12689题型：单选题测试正确率：25.71%
He said he was going to be free in .
6编号：12688题型：单选题测试正确率：68.69%
David helps his mother with the housework every Saturday for about .
7编号：12687题型：单选题测试正确率：74.24%
She has been skating for .
8编号：12686题型：单选题测试正确率：46.97%
My mother has been working in that clothing factory for .
9编号：12685题型：单选题测试正确率：40.4%
—How far is it from our school to the West Hill? —About .
10编号：12670题型：单选题测试正确率：62.02%
—How long have you lived in Beijing?— .
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