该题写在作业本上,请做好标注:句子改写 + 姓名,拍照上传提交作业 Directions : Each of the following sentences has one grammatical error. Rewrite the sentences and correct the errors. 1.There are countless miserable refugees throng into the country each day. 2. Mike was only 14 that year made him the youngest student in the college. 3.My right leg hurt greatly I was riding my bike.