when his parents are___work ,the little boy is in the house.用适当的介词或副词填空

his parents are hard on when he got home ,his parents _.were sleep were asleep are sleeping为什么? Jim takes care of his sister when hie parents are out 把takes care of 换个词 The little boy feels alone when his parents are not at home.这句话哪错了 they are his parents改成一般疑问句 These ____ (watch) are from his parents. they are his parents改成一般疑问句 His parents are quite _(worry).为什么? Are these his parents?改为肯定句 Those are his parents改同义句 Those are his parents.（单数） His parents are quite __(worry). Are these his parents?(改为肯定句) His parents are English 改为同义句 英语题啊!高手请进1. He often looks after his younger brother when his parents are out. (改同义句)_______________________________________________________________________2. Tom is such a naughty boy that his parents always get angry. (改 His parents are both teachers.和His parents both are teachers.哪句才对? His parents are always w_____ about his health. His parents are always () about his health.越快越好,