按要求变换下列句型
问题描述：
按要求变换下列句型
1.They have ever been to an English-speaking country.(一般疑问句)
2.She has been a flight attendant （for two years）.(对括号内的部分提问)
答
1.Have they ever been to an English-speaking counry
2.How long has she been a flight attendant?