问一下下面几题的问句.（1）They're walking .（2）The tigers are swimming.(3) It"s eatig meat.(4)no,she isn"t.she isn‘t playing chess.(5)no,we aren"t.we aren’t watching insects.(6)The bird is flying.(7)yes,the dog is walking.

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问一下下面几题的问句.（1）They're walking .（2）The tigers are swimming.(3) It"s eatig meat.(4)no,she isn"t.she isn‘t playing chess.(5)no,we aren"t.we aren’t watching insects.(6)The bird is flying.(7)yes,the dog is walking.
问一下下面几题的问句.（1）They're walking .（2）The tigers are swimming.(3) It"s eatig meat.
(4)no,she isn"t.she isn‘t playing chess.
(5)no,we aren"t.we aren’t watching insects.
(6)The bird is flying.
(7)yes,the dog is walking.

问一下下面几题的问句.（1）They're walking .（2）The tigers are swimming.(3) It"s eatig meat.(4)no,she isn"t.she isn‘t playing chess.(5)no,we aren"t.we aren’t watching insects.(6)The bird is flying.(7)yes,the dog is walking.
1, what are they doing?
2. what are the tigers doing?
3. what is it doing?
4. is she playing chess?
5. are you watching insects?
6. what is the bird doing?
7. is the dog walking?

问一下下面几题的问句.（1）They're walking .（2）The tigers are swimming.(3) Its eatig meat.(4)no,she isnt.she isn‘t playing chess.(5)no,we arent.we aren’t watching insects.(6)The bird is flying.(7)yes,the dog is walking. 麻烦问一下,是does they还是do they?在问句中! 我想问一下这个题怎么做 谢谢∫[√（1-R×R）/√（1+R×R）]dR 怎么做? they are cows.的问句 They love bamboo的问句 They're swimming的问句 They feel excited的问句. 这是一个关于英语的问题. 问一下单数的问句怎么问?复数的呢?比如,有三个球,用What are they?还是用What is it? no,they read books every day.的问句怎么问?这是答句 写出（1R,2R,4R）-1-甲基-2-乙基-4-氯环己烷的结构并画出其优势构象想问一下思路 麻烦回答一下下面几题 麻烦回答一下下面几题, 英语问职业的问题用he 、 you 、 your mather问职业 .每一个词都要有3个问句和1个答句 方式：(1)what do they for a living(2)what are they (3)what are their jobs 几种问句的类型 英语问句问班级的 问天气的英语问句 又要回答星期几,又要回答日期的问时间的英语问句 问句1属于（ ）问句.