20. Phong said “I need to learn more vocabulary”.
® Phong said (that)----------------------------------------------------------------------------------------------
21. Lan said “I have to do more grammar exercise”.
® Lan said (that)----------------------------------------------------------------------------------------------
22. Tinh told Lien “You may go shopping with your friends”.
® Tinh said (that)----------------------------------------------------------------------------------------------
20. Phong said “I need to learn more vocabulary”.
® Phong said (that)-----he needed to learn more vocabulary-----------------------------------------------------------------------------------------
21. Lan said “I have to do more grammar exercise”.
® Lan said (that)--------she had to do more grammar exercise --------------------------------------------------------------------------------------
22. Tinh told Lien “You may go shopping with your friends”.
® Tinh said (that)-------Lien might go shopping with her friends---------------------------------------------------------------------------------------