1编号：22597题型：单选题测试正确率：68.18%
trees were cut down.And many birds lost their home.
2编号：22596题型：单选题测试正确率：62.95%
visitors come to Xingyi during May Day holidays every year.
3编号：22595题型：单选题测试正确率：64.58%
Some scientists think that it will take of years to make robots do most work for humans.
4编号：22593题型：单选题测试正确率：51.22%
—Which is the biggest number of the four?—. ______________________.
5编号：22592题型：单选题测试正确率：53.89%
Nowdays of business letters are written in English.
6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.
7编号：12690题型：单选题测试正确率：58.57%
He has been swimming for .
8编号：12689题型：单选题测试正确率：25.71%
He said he was going to be free in .
9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 .
10编号：12687题型：单选题测试正确率：74.24%
She has been skating for .
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