-Cái gì?gì?

-Tại sao?

-Ai?

Kéo cờ lên xuống dễ dàng hơn

Cấu trúc của Trái Đất gồm có mấy lớp chính?

A. 2

B. 3

C. 4

D. 5

Choose the letter A, B, C or D preceding the word whose underlined part different from the others.

A. chair

B. teacher

C. school

D. children

1.It is in a quiet place not far from the city centre 2.The students are hard-working and serious 3.The teachers are all helpfull and friendly 4.There are five clubs in the school 5.Because it is a good school

1.C.small

2.D.four

3.A.windy

4.C.thank

5.A.like

I don't **** skipping rope but i **** sưimming