Cứu emm vs lát e đi hc r ai nhanh thì e cho 5sao nha

`1,` When did you receive a letter from Lan ?

- Hỏi thời gian (không cụ thể) -> Dùng "when"

`2,` How often do you brush your teeth ?

- Hỏi mức độ thường xuyên -> Dùng "how often"

`3,` What time does Nga have an appoinment this morning ?

- Hỏi thời gian (cụ thể) -> Dùng "what time"

`4,` Why do you like "Tom and Jerry" ?

- Hỏi lý do -> Dùng "why"

`5,` Who did you go to disco with last night ?

- Hỏi người -> Dùng "who"

`6,` What did she worry about ?

- Hỏi thông tin -> Dùng "what"

`7,` What subject is she learning ?

- Hỏi môn học -> Dùng "what subject"

` 1`. When did you receive a letter from Lan?

` -` When (wh-) : hỏi thời gian

` -` QKĐ : (wh-) + did + S + V-inf + ...?

` 2`. How often do you brush your teeth?

` -` How often (wh-) : hỏi tần suất

` -` HTĐ : (wh-) + do/does + S + V-inf + ...?

` 3`. What time does Nga have an appointment this morning?

` -` What time (wh-) : mấy giờ

` -` HTĐ : (wh-) + do/does + S + V-inf + ...?

` 4`. Why do you like Tom and Jerry?

` -` Why (wh-) : hỏi lý do

` -` HTĐ : (wh-) + do/does + S + V-inf + ...?

` 5`. Who did you go to the disco with last night?

` -` Who (wh-) : hỏi người

` -` QKĐ : (wh-) + did + S + V-inf + ...?

` 6`. What did she worry about?

` -` What (wh-) : cái gì

` -` QKĐ : (wh-) + did + S + V-inf + ...?

` 7`. What subject is she learning?

` -` HTTD : (wh-) + is/am/are + S + V-ing + ...?

` -` subject (n) : môn học