1编号：3264题型：单选题测试正确率：46.02%
设m>n>0，m2+n2=4mn ，则 的值等于（ ）
2编号：3261题型：单选题测试正确率：61.49%
He ______for three years .
3编号：3260题型：单选题测试正确率：77.57%
I think this question______to answer.
4编号：3259题型：单选题测试正确率：73.18%
It ______hard when I left my house.
5编号：3258题型：单选题测试正确率：79.26%
He often ______his clothes on Sundays .
6编号：3257题型：单选题测试正确率：64.26%
The teacher told us that the sun ______bigger than the earth.
7编号：3256题型：单选题测试正确率：41.62%
He told me that he______to see me the next day.
8编号：3255题型：单选题测试正确率：46.55%
You must tell him the news as soon as you______him.
9编号：3254题型：单选题测试正确率：85.47%
Listen！Someone ______in the next room.
10编号：3253题型：单选题测试正确率：38.31%
By the end of last year he ______about 1500 English words.
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