I think donate money to charities is helpful,isn't it?改错

几个选择,1、I think （）is very important to donate some money to t I think it helpful to do the housework和I think it is helpful 28.- English is hard to learn,isn't it?-I don't think so.___ i think it is impolite to quarrel with her,填 isn't it 为啥 I don't think to clone humans is good,____ A.is it B.isn't i I think it isn't possible ...I don't think it is possible... I think it great to see documentaries.A./;isn't B.don't;isn' I don't think it is a hard work 改错 I think it is helpful to buy an English dictionary.（同义句转换） 句型转换1题I think it is helpful to buy an english dictionaryI __ It is generous of Simon to donate money to people in Sichuan It is rather __today ,isn't it I think I'll wear a jacket .A