选择问句真奇妙，一般问句加上or；
or的前后要对称，前升后降是语调。
例如：
Is he singer or writer?(名词→名词)
Does he or she draw well?(代词→代词)
Can you swim or skate?(动词→动词)
Have you three or four books?(数词→数词)
练习(EⅩercise)：
把下列句子改为选择疑问句。
1.She is a teacher.(nurse)
2.Tom can speak Chinese.(English)
3.Mary is from America.(Jane)
4.Does Li lei sings well.(dance)
5.There are 1000 books in the library.(3000)
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