句子找错Has she cooked before her son came back?这句话有什么错误

She watched TV until her mother came back.这句话为什么前面不用过去进行时? 麻烦,翻译She has to get back to her work,before anybody misses h 判断英语句子She was a very good singer that we all like her.这句话有错误 She came back full of energy after her vacation.翻译句子 she has never written a book before.这句话有没有语法错误? nearly,passed,he,a,came,week,before,back连成句子 She___her hairstyle in her hometown before she came to Chong She_____her hairstyle in her hometown before she came to cho 找错：She forgot the umbrella on her seat.When she got back,it Her son is ill.she has to ____ _____ him 连词成句　letter　son　　from　she　her　got　has Her son is ill.She has to him at home