1. I don't know [?] A.where does he come from B,what is his name C.what is the matter with him
D,whenwillheleave2.Spellingandpronunciation[?]hismaintrouble.A.isB.areC.takesDbrings...
D,when will he leave
2.Spelling and pronunciation [?]his main trouble.
A.is B.are C.takes D brings 展开
2.Spelling and pronunciation [?]his main trouble.
A.is B.are C.takes D brings 展开
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