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1. The United Kingdom, an island region, _______________ four countries including England, Wales, Scotland and Northern Ireland. (comprise)

2. Hawaii and Alaska _________________US states since 1959. (be)

3. People in England _________________ Easter from March 30th to April 2nd. (celebrate)

4. The flight to New Zealand ________________at 9 a.m. tomorrow, so you have to come an hour earlier. (leave)

5. There are 42.4 million immigrants now living in the United States, and the number __________________ bigger. (get)

6. I need to go home now because the movie _________________on the HBO channel in 30 minutes. (play)

7. The rules of getting green cards to become a US citizen ____________________over the past several years. (change)

8. We need to be quick, or we will miss Ms. Joan’s class which __________________in 5 minutes. (start)

Cho tam giác ABC vuông tại B có đường cao BH, AB = 3cm, BC = 4cm, vẽ phân giác BI của góc ABC (I thuộc AC).

a) Tính độ dài AC, CI

b) CM:tam giác BAC ~ tam giác HBC 
c) Trên tia đối của tia BA lấy điểm D. Vẽ BK vuông góc CD (K thuộc CD). CMR : BC² = CK.CD 

d) Cho BD= 7 cm. Tính diện tích tam giác CHK