Chương trình dậy Tiếng Anh miễn phí bài 20

1. Dùng How long để hỏi thời gian
Ví dụ 1(Hiện tại):
How long does it take to fly from HaNoi to Sai Gon?
It takes about two hours
Ví dụ 2 (quá khứ):
How long did it take to fly from HaNoi to Sai Gon?
I took about two hours
Ví dụ 3 (tương lai):
How long will it take to fly from Hanoi to Sai Gon
It will take about two hours
Nhiều ví dụ hơn:
1. Present: How long does it take to become a doctor?
It takes bout 10 years
2. Future: How long will it take to finish your homework?
I will take about 30 minutes
3.How long did it take to complete?
I took two years