英语厉害的就速速戳进来了!一般疑问句,反问句,提问1 David is my classmate.改成一般疑问句,反问句,并对David提问.2 He is twelve years old.改成一般疑问句,反问句,并对twelve提问.3 We often help each other.改

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英语厉害的就速速戳进来了!一般疑问句,反问句,提问1 David is my classmate.改成一般疑问句,反问句,并对David提问.2 He is twelve years old.改成一般疑问句,反问句,并对twelve提问.3 We often help each other.改

英语厉害的就速速戳进来了!一般疑问句,反问句,提问1 David is my classmate.改成一般疑问句,反问句,并对David提问.2 He is twelve years old.改成一般疑问句,反问句,并对twelve提问.3 We often help each other.改
英语厉害的就速速戳进来了!一般疑问句,反问句,提问
1 David is my classmate.改成一般疑问句,反问句,并对David提问.
2 He is twelve years old.改成一般疑问句,反问句,并对twelve提问.
3 We often help each other.改成一般疑问句,反问句,并对We提问.

英语厉害的就速速戳进来了!一般疑问句,反问句,提问1 David is my classmate.改成一般疑问句,反问句,并对David提问.2 He is twelve years old.改成一般疑问句,反问句,并对twelve提问.3 We often help each other.改
isn;t David?  Is David your classmate?  Who is your classmate?
isn;t he?    Is he twelve years old?  How old is he?
don;t we?  Do you often help each other?  Who often hele each other?
前面否定,后面肯定.前面肯定后面有否定.

1、Is david my classmate?
2 Is he twelve years old?
3 Do we often help each other?
采纳

Is david my classmate?
Is he twelve years old?
Do you ofren help each other?