11.     Those girls are very hard-working.
→ What hard-working girls those those are! (Sai)

13. The novels are very interesting.
→What an intersting novel there(Sai) are!

14. Those rivers are very long.
→ What a long rivers those are !(Sai)

15. These math exercises are very difficult.
→ What a difficult math exercises these are!(Sai)

16. The flowers are very beautiful.
→What a beautiful  flowers there (sai) are !

17. That man is very tall.
→ What a tall man that (sai) is !

11.     Those girls are very hard-working.
→ What hard-working girls those those are! (Sai)

13. The novels are very interesting.
→What an intersting novel there(Sai) are!
14. Those rivers are very long.
→ What a long rivers those are !(Sai)

15. These math exercises are very difficult.
→ What a difficult math exercises these are!(Sai)

16. The flowers are very beautiful.
→What a beautiful  flowers there (sai) are !

17. That man is very tall.
→ What a tall man that (sai) is !

*Công thức của What:  What + an/ a + adj + S + V.


* Mấy bạn ơi,giải giúp em của mình và mình sửa mấy câu này với!!! Thanks !!!!:))