Trả lời:

$1.$ The teacher took us to the museum yesterday.

→ Where did the teacher take us to yesterday?

$2.$ We went to the museum to learn and have fun together.

→ Why did you go to the museum?

$3.$ We visit the museum every year.

→ How often do you visit the museum? 

$4.$ Last year, our family traveled to Sapa by coach.

→ How did your family travel to Sapa last year?

$5.$ There were many wonderful things in Sapa.

→ Where were there many wonderful things?

$6.$ Tom wrote me a letter to apologize for what he said.

→ Why did Tom write you a letter?

Chúc bn hc tốt!!!

`1`.Where did the teacher take you yesterday ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`\rightarrow` Where đùng để hỏi về địa điểm

`2`.What did you go to the museum for ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`\rightarrow` What dùng để hỏi về cái gì

`3`.How often do you visit the museum ?

`\rightarrow` Thì HTĐ ( CNV ) : Do / Does + S + V ?

`\rightarrow` How often dùng để hỏi về mức độ thường xuyên

`4`.How did your family travel to Sapa last year ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`\rightarrow` How dùng để hỏi về cảm giác , phương tiện

`5`.Where were there many wonderful things ?

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

`\rightarrow` Where dùng để hỏi về địa điểm

`6`.What did Tom write you a letter for ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`\rightarrow` What dùng để hỏi về cái gì

`\text{@ TheFox}`