Tìm lỗi sai và sửa lại 1. Mr. Ba works in a factory for five days a week 2. Nga added a few salt to the spinach, so it tasted good 3. Students should prepare for the new lessons before go to class

Tìm lỗi sai và sửa lại ( giúp mk đang cần gấp )
1. Mr. Ba works in a factory for five days a week
2. Nga added a few salt to the spinach, so it tasted good
3. Students should prepare for the new lessons before go to class