Đáp án+Giải thích các bước giải:

`1.`My teacher is thirty years old.

⇒ How old is your teacher?

→ How old+is/am/are+S ?

`2.`His father goes to work by motorbike.

⇒How does his father go to work?

→How + does+do+S+ go to...?

`3.`Yes, he did. He had his hair cut yesterday.

⇒Did he have his hair cut yesterday?

→ Did+ S+ động từ chuyển thể..?

`4.`It is about 500 meters from here to the nearest bus stop.

⇒How far is it from here to the nearest bus stop?

→How far + is it+ from A to B ?

`5.`My brother has a lot of English books.

⇒ How many English books does your brother have?

→How many + danht ừ số nhiều + does/do+S+ have?

`6.`I bought that dress at supermarket yesterday morning.

⇒Where did you buy that dress yesterday morning?

→Where+did + S+ động từ chuyển thể...?

`7.`My father taught me how to ride a bike.

⇒ Who taught you how to ride a bike?

→Who+động từ..?

`8.`My mother needs three kilos of sugar.

⇒ How much sugar does your mother need?

→How much + danh từ không đếm được + does/do+ S+ need/buy/use...?

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