____their homework , the children went for a walk .a.when they were doing b.after they have done c.Having done d .They had done请选择 帮忙解释一下

The students ____their homework already.A.have finished.B.has finished.C.finished.D.will finish选哪 nowdays.some students have a lot of homework to do,so they ____their school life.A aren't enjoying B don't enjoy ____their homework , the children went for a walk .a.when they were doing b.after they have done c.Having done d .They had done请选择 帮忙解释一下 Homework? The works are all busy ____their work. not until tell the children not to play computer games untilthey ____their homeworkA finishes B will finished C have finished D finished为什么选C 为什么不是D 就象这句也用过去时啊He didn't go home until he finished his homework. They ____ dinner ____their family.写的是Christmas Day。 英语翻译Teacher's behavior has ____ ____ ____ ____their students. parents shouldn‘t ____their children with other kids Farmers grow crops either to ____their family ___to sell. 他们中的一些答案使我们大感意外.____ ____their answers____ us. They named their daughter ____their grandfather.A by B after C with D on 孩子们必须依靠他们的父母.Children must ______ ____their parents.是两个空 the firemen ____their fire station immediately when they received a call 298.In summer,people usually ____their holiday at the beach.A.take B.spend C.go 孩子们吃穿都得依靠父母.Children have to____ ____their parents for food and clothes did you help them ____their roomA to clean B cleansC cleaning After a long walk ,they ____their flying kites How happy they are now