Điền chữ cái còn thiếu để hoàn thành từ
1. Students have the option of studying a______ in their second year.
2. It's good to see all my t______ and classmates again.
3. Do you have any previous e_____ of this type of work ?
4. Don't quit it because all things are d_____ before they are easy.
5. I couldn't put the book down because it was very i______.
6. The college entrance e______ is a real challenge.
1. abroad
2. teacher
3. experience
4. difficult
5. interesting
6. exam
quên mất teacher thêm "s" nhá