1.l am Helen.(改成同义句)
_______ ________ is Heien.
2.How are you?(作出回答)
________ _______,__________.
3.Alice is ny sister.(改为一般疑问句)
_____ _____Alice______sister?
4.l'm fine,thank you(对画线部分提问)
____
_____ _______ you?
5.Bob is a good student.(改为否定句)
Bob_____ _____ a good student.