1. Where did Lan go last Sunday? 

  → She went to her friend’s birthday party last Sunday.

2. What did she buy for her friend?

  → She bought some gifts and flowers for her friend.

3. What did she do at the party?

  → At the party, she ate a lot of cakes, drank soft drink, danced beautifully, sang many songs, and told a lot of interesting stories.

4. Did they enjoy themselves a lot?

  → Yes, they did.

5. When did they go home?

  → They went home late in the evening.

1) She went to her friend's party
2) She bought some gifts and flowers

3) .At the party,she ate a lot of cakes and drank soft drink.She danced beautifully,sang many songs,and told a lot of interesting stories.All her friends were there too.They played many games such as hide-and-seek,skipping rope and cards.They were very happy and enjoyed themselves a lot
4) Yes, they did

5) They said goodbye to each other and went home late in the evening.