1:I am afraid that I can not get up 我怕我起不来. 2::He slipped and fell downstairs. 她滑了一跤,从楼梯上摔下来. 3:He has hurt himself. 他曾经伤害过自己. 4:I think that you had better do your homework. 我认为你最好做作业. 5:let me help you, 我来帮你吧
这是连成一个句子,还是五句? i afraid that i can not get up。 he slipped and fell downstairs。 he has hurt himself。 i think that you had better do your homework. let me help you.