题目内容：

按要求变换下列句型。

1.They have ever been to an English-speaking country. (一般疑问句) 

______________ they ever ______________ to an English-speaking country?

2.She has been a flight attendant for two years.(对划线部分提问)

_______________________ she ________________ a flight attendant?

3.His father has been to America twice.(对划线部分提问)

_______________________ has his father __________________ to America?

4.Linda is taller than any other girl in her class. ( 同义句)

Linda is __________________________ girl in her class?

5.improve, why, you, do, English, want, to, your  (连词成句)

______________________________________________________________?