My name is Hoa. It was my ninth brithday yesterday. I invited all of my best friends to my brithday party. They arrived at my house at 7 p.m. They gave me some gifts such as notebooks, pens, dolls and some souvenirs. We ate a lot of food like cakes, sweets and fruits at the party. We sing and dance happlily. Lan and Mai sang many English songs. Some boys played the guitar. The party ended at 8.30. We had a lot of fun together.

Was it's Hoa's brithday last Sunday ?

=> It was her ninth brithday yesterday.

Who did she invite to her brithday party ?

=> She invited all of her best friends.

What time did they arrive to her house ?

They arrived to her house at 7 p.m.

Did they buy her some new clothes ?

No, they didn't.

What did Lan and Mai do at the party ?

=>Lan and Mai sang many English songs.

Did the party end 8 o'clock ?

=> No, it didn't.

 Ex 1 :

My name is Hoa. It was my ninth brithday yesterday. I invited all of my best friends to my brithday party. They arrived at my house at 7 p.m. They gave me some gifts such as notebooks, pens, dolls and some souvenirs. We ate a lot of food like cakes, sweets and fruits at the party. We sing and dance happlily. Lan and Mai sang many English songs. Some boys played the guitar. The party ended at 8.30. We had a lot of fun together.

Was it's Hoa's brithday last Sunday ?

⇒ It was her ninth brithday yesterday.

Who did she invite to her brithday party ?

⇒ She invited all of her best friends to her birthday party.

What time did they arrive to her house ?

⇒ They arrive to her house at 7 o' clock.

 Did they buy her some new clothes ?

⇒ No, they didn't.

 What did they eat at the party ?

⇒ They ate cakes, sweets and fruits at the party.

 Did they dance at the party ?

⇒ Yes, they did.

What did Lan and Mai do at the party ?

⇒  They sang many English song.

Did the party end at 8 o' clock ?

⇒ No, it didn't.