ĐƯỜNG LÊN ĐỈNH OLYMPIA - ÔN TẬP VÒNG SƠ KHẢO

What color is the Vietnamese flag?

• red and yellow

• red and white

• yellow and white

• yellow and blue

What things do you use to take photos?

How many hours are there in a day?

How many letters are there in the English alphabet?

What color do you have if you mix yellow and blue?

What is the capital of England?

How many minutes are there in an hour?

What is the opposite direction of the North?

What number comes before twenty (20) ?

What do you use to put the litter?