`***`

`49`. Do the ethnic minorities in Viet Nam often live in mountainous areas?

`50`. Are their costumes colorful and unique?

`51`. Do they often gather together at the communal house in special occasions?

`52`. Do ethnic people often hold festival in spring?

`53`. Is life in the mountainous areas quite difficult because of the extreme weather?

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`@` Yes/No Question HTĐ:

`-` Với động từ thường:

`+` Hỏi: Do/Does + S + V-inf?

`+` Trả lời:

`->` Yes, S + do/does.

`->` No, S + do/does + not.

`-` Với tobe:

`+` Hỏi: Am/Is/Are + S + (a/an) + N/adj?

`+` Trả lời:

`->` Yes, S + am/is/are.

`->` No, S + am/is/are + not.

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`***`

`54`. unhealthily

`->` V + adv

`->` So sánh hơn: S1 + V + adv-er/more adv + than + S2

`55`. communal

`->` communal house (n): nhà rông

`56`. mountainous

`->` tobe + adj

`57`. traditionally

`-` V + adv 

`58`. interested

`-` S + be + interested in + N/V-ing: hứng thú với

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