Chuyển các câu sau sang thể phủ định và thể nghi vấn.
1.I saw a lot oj animals at the zoo. -> ;->
2.He had a birthday party last night. -> ;->
3.They played hide and seek at the party. -> ;->
4.We visited Ha Long Bay last month. -> ;->
5.She cooked dinner yesterday ajternoon. -> ;->