He arrived in the middle of our lunch time.

When he...........................................................................

4. They began to plant rubber trees in the big plantation

They have.....................................................................

There are errors in each of the following sentences.Rewrite them correctly.

1.He asked his lawyer for a few advice.......................................

2.He has lived in Da Nang since 1998,but he hasn't lived there longer as we have...........................................

3.You can see that the sun is always rising in the east...................

4.Our teacher told that the sun always rises in the east...................

5.Much of the butter eaten in Britain comes of New Zeland....................

6.Many Vietnamese people prepare for the holiday by pay their debts and cleaning their homess.....................

7.The house was design by Mike's father and built by Mike...................

I.Choose the best answer A,B,C or D to the complete the sentences.

3. In the UK, there are lots of customs for table manners. For example, we ____________ use a knife and fork at dinner.

A. have to

B. are having

C. has to

D. having to

4.In Viet Nam, you____________ use only the first name to address people older than you.

A. should

B. must

C. shouldn’t

D. have to

5. At the Mid-Autumn Festival, kids can sing, dance, and enjoy moon-cakes ; ____________, every child likes it very much.

A. However

B. Moreover

C. Because

D. Therefore

6. In 2010, Ha Noi____________ its 1000th anniversary.

A. celebrated

B. commemorated

C. worshipped

D. remembered

7. Tet is an occasion for family____________ in Viet Nam.

A. visitings

B. Meeting

C. reunions

D. seeings

8. ____________ spring comes, many Vietnamese villages prepare for a new festival season.

A. While

B. When

C. Nevertheless

D. However

I like(lie)............on the beach.I always spend my holidays (sunbathe)............

Vẽ ra phía ngoài tam giác ABC,các hình vuông ABDE và ACFG,vẽ các hình bình hành EAGK.CMR:

a)AK=BC

b)AK vuông góc với BC

c)Các đường thẳng AK,BF,CD đồng quy

1.Những cuộc Cách Mạng Tư Sản

2.Sự xâm lược của thực dân phương Tây

3.Phong trào đấu tranh của công nhân các nước tư bản

4.Sự phát triển của kỹ thuật

5.Chiến tranh thế giới thứ nhất

Những sự kiện trên sự kiện nào quan trọng nhất?Vì sao?

Xác định số \(n\in N\) để các phân thức sau là số tự nhiên:

a)\(A=\frac{2n+3}{n+1}\\ \)

b)\(B=\frac{5n-11}{4n-13}\)