1. It was held in the communual house yard about one kilometer away from the river.

2.It lasted one day.

3. They had to separate the rice from the husk and then cook the rice.

4. The Thon Trieu group did.

1. be ➜ been

2. an ➜ a

3. start ➜ started

4. were ➜ was

5. been ➜ be

6. be ➜ ∅

7. born ➜ was born

1. The Lion Team didn't perform as successfully as the Eagle team.

2.In the city, children don't play as freely as in the countryside.

3.In the past, our gers weren't as well equipped as they are now.

4. A ordinary car goes more slowly than a sport car.

Đề bài :Cho tam giác ABC có AB=30cm, AC=45cm,BC=50cm, đường phân giác BD.

a, Tính độ dài BD,BC.

b, Qua D vẽ DE//AB, DF//AC, E và F thuộc AC và AB. Tính các cạnh của tứ giác AEDF.