小题1:I am a student.(改为一般疑问句) __________ __________ a student? 小题2:Those are oranges 改为单数句子) __________ __________ orange。 小题3:It is a bus.(变为复数句子) __________ are __________. 小题4:My sister is eleven.(对画线部分提问) __________ __________is your sister? 小题5:They are English.(同义句转换) They are__________ __________.