my sister has already--------- (finish) doing her homework横线

my sister has already--------- (finish) doing her homework横线 Her sister doing her homework now.改错 His sister is doing her homework 对her homework 提问 After finish doing my homework 和 After finishing my homework Sister doing homework the my is her in room连词成句 My sister is doing her homework.Please make noise.A．not B．ca Susan's sister is doing her homework 对doing her homework 画线提 I have already finished my homework,对already finish my homew Harriet has done her homework already.改为否定句 she has already f inshed her homework 否定句 Kitty has already finished her homework.(一般疑问句） 用所给单词的适当形式填空 (finish,hardly,babysit) 1.My sister 空 doing her