are they american students?改为单数形式

Are they American cars?改为单数 为啥 are they american students?改为单数形式 Are they American cars?（改为单数） Are they american or english 这句啥意思 The turners are American.They are in Beijing n____ We are ------- but they are--------.a.American Japanese b.America Japanesec.American Japan c.Americans Janpan The foreign teachers in our school America,they are american /They/are from American.对划线部分提问 请问They are American apples.的单数形式 are they american用english改为选择疑问句 American (复数）_________American有复数呀?那为什么说They are American .American后不加s呢? They are American and they are in the same class___their school They are ----.They speak good English.A.Chinese B.Norwegian C.American D.Englishman选哪一个?为什么选American American are very dirrct people .When they want something they sayyesand w They are American boys.(改为单数句) This is an AmericaThey are American boys.(改为单数句)This is an American boy.对不对?给好评. They are twins.They are _ A.English B.an English C.English boy D.two American They are going to Shanghai ----the morning of August 1st. Are they from___?A/Australian B/English C/American D/Canada