Combo sao đủ oke laaa

`4.` How many ethnic groups are there in Viet Nam?

`-` How many + N đếm được số nhiều + are there + ...?

`->` How many: Dùng để hỏi số lượng

`5.` Where are they playing football at the moment?

`-` Thì HTTD: `(?)` WH-word + is/am/are + S + V-ing?

`->` Where: Dùng để hỏi về địa điểm

`6.` Why did she come to class late?

`-` Thì QKĐ: `(?)` WH-word + did + S + V(bare)?

`->` Why: Dùng để hỏi lý do

`7.` What are the ethnic people famous for?

`-` Thì HTĐ: `(?)` WH-word + is/am/are + S + N/Adj?

`->` What: Dùng để hỏi về thông tin 

`color {violet}{#0209}`

`4` How many ethnic groups are there in Viet Nam?
`->` How many + N đếm được
`5` Where are they playing football at the moment?
`->` WH + is/am/are + S + V-ing?
`6` Why did she come to class late?
`->` WH + did + S + V-inf?
`7` What are the ethnic people famous for?
`->` WH + is/am/are + S + Adj/N?