听一听，找出正确的答案。
弟弟走路不当心
1.
弟弟走跑不当必
摔到在他我扶起
2.
摔倒在地我扶起
替他拍掉身上灰
3.
替他怕掉身下灰
帮他冼掉手上呢
4.
帮他洗掉手上泥
看一看，读一读。
Your browser doesn't support Text to Speech. This is the text of the listening.
Are you sure you want to delete this join?
Are you sure you want to finish this worksheet?
Uploading files, please wait...
Sending your answers. Please wait a moment...
Your session has expired. To complete the worksheet you must reload the page.
Looks like this is taking too long. We will retry in 5 seconds
elearning 
