`1`.When did the Robinsons visit Ho Chi Minh City ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ? ( `1 , 2 , 5` )

`\rightarrow` When dùng để hỏi về mốc thời gian

`2`.What did she buy for her friends ?

`\rightarrow` What dùng để hỏi về cái gì

`3`.How was your vacation in Nha Trang ?

`\rightarrow` Thì QKĐ ( ĐT Tobe - NV ) : Was / Were + S + adj / n ?

`\rightarrow` How dùng để hỏi về cảm giác , cách thức

`4`.Where has Lan hung the poster ?

`\rightarrow` Thì HTHT ( NV ) : Have / Has + S + V3 / PII ?

`\rightarrow` Where dùng để hỏi về vị trí

`5`.Who did they eat lunch in a famous restaurant with ?

`\rightarrow` Who dùng để hỏi về người

`\text{@ TheFox}`

Đáp án:

`1,` When did the Robinsons visit Ho Chi Minh City?

- QKĐ `(  ?  )` `:` Did + S + V ?

- When dùng để hỏi về mốc thời gian

`2,` What did she buy for her friends?

- QKĐ `(  ?  )` `:` Did + S + V ?

- What dùng để hỏi về cái gì

`3,` How was your vacation in Nha Trang?

- QKĐ `(  ?  )` - ĐT tobe `:` Was / Were + S ?

- How dùng để hỏi như thế nào

`4,` Where has Lan hung the poster?

- HTHT `(  ?  )` `:` Have / Has + S + V3 / PII ?

- Where dùng để hỏi về địa điểm

`5,` Who did they eat lunch in a famous restaurant with?

- QKĐ `(  ?  )` `:` Did + S + V ?

- Who dùng để hỏi về ai đó