Đáp án : 

 - Câu 1 : Did they plant tress in the yard yesterday ? 

- Câu 2 : Did my friends donate books and clothes to the street children ?

- Câu 3 : Did the voluntees help people in the flooded area last year ? 

- Câu 4: Did they probided clothes for homeless people yesterday ? 

Công thức : Nghi vấn quá khứ đơn : 

                    (?) Did + S + V_o

Trong đó : S: là chủ từ 

                    V_o : Nguyên mẫu 

Mog CTLHN 🥰🥰

1. Did they plant the trees in the yard yesterday ?

2. Did your friend donate books and clothes to street children ?

3. Did the volunteer help people in the flooded area last year ?

4. Did the rich donate foods to street children ? 

5. Did they provide clothes for homeless people yesterday ?

Công thức : S + V(quá khứ).

→Did + S + V_nguyên thể ?

`\color{cyan}{\text{#Bulletproof Boy Scout}}`