Racism against black people

1, How was the weather yesterday?
2, Why aren't you going by train?
3,He is going home instead of buying the souvernirs
4, How far is it from there to Hanoi?
5, Is he at the museum or at the zoo?
6, My brother won't be at the post office tomorrow
7. did she go to bed at 7p.m?
    No she didn't
8, Are you at home at night?
9, How often do you play badminton
    Twice or three times a week.
10, How long does it take to go from here to there by bus?
 

1, carefully
2, collection
3,noise
4, famous
5, well
6, products
7, helpful
8, painful
9, peaceful

1, Who is the inventor of this machine?
2, He is the youngest person in the group.
3, I prefer listening to music to watching movies?
4, Let's have dinner at my house tonight.
5, Hoa cycles carefully and safely

can - could - could

1, circles
2. flow
3. is playing
4, is coming
5, does - goes

1. C
2, B
3, D
4, C
5,A 
6, B

Diện tích hình tròn là:
    68 x 68 x 3,14= 14519,36
                           Đáp số : 14519,36

5 tấn  26yến = 5 x 1000 + 26 x 10 = 5000kg + 260kg = 5260kg