A.特殊疑问句:What's this? 、一般疑问句:Is this an elephant? 、选择疑问句:Is this an elephant or a kangaroo? 、使用升调的不完整句子:This was a…?#B.特殊疑问句:What's this? 、一般疑问句:Is this an elephant?#C.一般疑问句:Is this an elephant?#D.使用升调的不完整句子:This was a…?
A.特殊疑问句:What's this? 、一般疑问句:Is this an elephant?#B.一般疑问句:Is this an elephant?#C.使用升调的不完整句子:This was a…?#D.一般疑问句:Is this an elephant? 、选择疑问句:Is this an elephant or a kangaroo? 、使用升调的不完整句子:This was a…?