$1.^{}$ It takes Hoa 15 minutes to go to school every day.

$-^{}$ Cấu trúc: It + takes/took + O + time + to V

$-^{}$ Nghĩa: Mỗi ngày Hoa mất 15 phút để đến trường.

$2.^{}$ They will be learning English at this time tomorrow.

$-^{}$ At this time tomorrow: Tại thời điểm này ngày mai 

$-^{}$ Thì TLTD: S + will be + V-ing + ......

$3.^{}$ How far is it from your house to library? It's 1,5 km.

$-^{}$ Cấu trúc: How far is it + from + Place 1 + to + Place 2?

$-^{}$ Nghĩa: Từ nhà bạn đến thư viện bao xa?

$4.^{}$ Is your father watching TV in the living room at the moment?

$-^{}$ At the moment: Tại thời điểm hiện tại

$-^{}$ Thì HTTD: (?) Is/Am/Are + S + V-ing + ...?

1. It takes Hoa 15 minutes to go to school erveryday.
CT: It takes + O + time + to V inf + ...

2. They will learn English at this time tomorrow
3. How far is it from your house to library ? 
-> It is 5 km 
CT  How far is it from ... to ... ?  -> It is ...
4. Does your father watch TV at the living room at the moment ?
Từ như at the moment chia ở HTĐ