Đáp án:

Giải thích các bước giải: gọi a,b,c lần lượt là số hs giỏi,khá,tb

ta có a+b+c=46

a/b=1/3 =>a=b/3

b/c=2/5=> c=5b/2

a+b+c= b/3 +b + 5b/2=46

b=12 => a=4 c=30

Ta có : Ánh nắng lên tới bờ cát, lướt qua những thân tre nghiêng nghiêng, vàng óng                            CN                   VN

Vậy đáp án đúng là B

??? đề bài

1.Does she go

2. Play

3. Am listening

4.Was

5.Will be

IV:

Next month Tuan is going to visit Da Lat with his family .

 The morning he used get up early.

They don't have to go to on Saturday.

You are  live enjoy  in a farm

What do you do in your free time ?

Do you water the tree every morning?

Mary often goes to school by bike

Does your father play football next summer?

Mai loves dolls but she doesn't love coutinue

I hope the weather will be  fine tonight

My mother sumtimes buys fruit at this super market

Who looks after the garden when you are away?

C . doing

D