The teacher, with 6 girls and 8 boys of her class, _____ visiting a museum when the earthquake struc

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• 一个正数有______个平方根，0有______个平方根，负数______平方根．-数学
• According to the _____situation, he _____ his opinion on how to deal with the matter. [ ]A. present;
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• Mr. Li _____ a secretary for five years in the company, and now he is the general manager of it. [ ]
• 短文改错。 I still remember how nervous I am on my first day in the new school three years ago, while I f
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• 64的平方根是______．-数学
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• — Did you go to the show last night? — Yeah. Every boy and girl in the area _____ invited [ ]A. were
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• — Have you read the book Oliver Twist? — Who ____ it? [ ]A. writes B. wrote C. has written D. had wr
• 4的平方根是（）；的算术平方根是（）；（）的立方根是-2.-八年级数学
• I was out of town at the time, so I don't know exactly how it ____.[ ]A. was happening B. happe
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• When I called you this morning, nobody answered the phone. Where ______?[ ]A. did you go B. have you
• 0.81的平方根是（）A．0.9B．±0.9C．0.09D．±0.09-数学
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• 9的平方根是±3，用数学符号表示，正确是（）A．9=3B．±9=3C．9=±3D．±9=±3-数学
• （x-1）2的平方根是-八年级数学
• — I felt it very difficult to carry on the work all by myself. — I could have helped you, but you __
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• 0和负数没有平方根．______-数学
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