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) ______________________________________________________________?
答案:1. Have been 2. How long has been 3. How many times been 4. the tallest 5. Why do you want to improve your English?