1编号：3904题型：单选题测试正确率：47.95%
A policeman ______ two thieves steal a girl’s mobile phone on a bus and caught them at once.
2编号：3888题型：单选题测试正确率：42.24%
Barry ______ his voice just now.
3编号：3887题型：单选题测试正确率：41.39%
Our teacher usually ______ us, when we were at school.
4编号：3886题型：单选题测试正确率：58.13%
Last week my father ______ to Beijing.
5编号：3885题型：单选题测试正确率：48.14%
The weather in summer in Beijing is cooler than ________ in Shanghai.
6编号：3884题型：单选题测试正确率：50.67%
What ______ you learn three days ago at school?
7编号：3883题型：单选题测试正确率：58.48%
He began to teach________ English last year.
8编号：3882题型：单选题测试正确率：38.56%
He went to Shanghai _______ September, 1991 and came back _____ a cold morning last year.
9编号：3881题型：单选题测试正确率：80.27%
— How did your uncle learn to play the guitar? — By _____.
10编号：3880题型：单选题测试正确率：74.9%
_____of the two story books are very interesting, so I can’t decide which one to choose.
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