句型转换：1、The girl called the polic while the alien was buying a souvenir.改为一般疑问句 2、The boy was doing （his work）when the UF
问题描述：
句型转换：1、The girl called the polic while the alien was buying a souvenir.改为一般疑问句 2、The boy was doing （his work）when the UFO took of.对括号部分提问 3、You can imagine how strange the alien was.改为感叹句 4、I was standing （in front of the library） when a UFO landed同题2
答
1.Did the girl call the police while the alien was buying a souvenir?
2.What was hte boy doing when the UFOtook off?
3.How strange the alien was!
4.Where were you standing when a UFOlanded?