Xđịnh lỗi sai và sửa lại
1. If you (had started) (earlier) this morning
(wouldn’t get) stuck (in traffic)
2. (The) teacher found (a great deal) of mistakes (in) his (student’s writing(
3. Compact (dises) are affected neither by scratching (and) (by dust)
1. had started ⇒ started
2. great deal ⇒ large number
3. and ⇒ nor