1. There wasn't any electricity……….. in our village. (ELECTRIC)

2.Her mother soon died of a …broken……… heart. (BREAK)

3."The lost shoes" is one of the…traditional………..stories I like. (tradition)

4. His parents are very…proud………..of him. (PRIDE)

5. Nga lives in a…mountainous…………area of the country. (mountain)

6. Every week there are two …flights…… from Hanoi to HCM city (FLY)

7. Television is one of the cheapest form of …entertainment………….. (ENTERTAIN)

8. This tea is too …hot………. to drink (HEAT)

9. why was his lecture so ……boring…………. (BORE)

10. He had an accident because He drove …carelessly…….. (CARE)

Brad and I are having _the__ best holiday of our lives!

1.A

2.A

3.C

4.D

5.D

ý b thì chưa làm được

a, Xét tam giác ABD và tam giác ACE

có : góc A chung

góc ADB = góc AEC (=90độ) ( vì BD\(\perp\) AC, CE\(\perp\) AB)

Do đó tam giác ABD ~ tam giác ACE ( gg)

1. Hoa is the most………beautiful …………………. girl in her class. (beauty)

2. Hanoi people were …friendly…………………………. (friend)

3. Today the weather is fine and …sunny…… …………. (sun)

4. He is a famous…actor ……………… (act)

5. This is the biggest…building ……..in the city. (build)

6. Bill Gates is a famous .....bussinessment.............. (busy)

7. Hoa has a fine ……collection……..............….……… of stamp. (collect)

8. Minh looks ...worried.................again. What’s the matter with him? ( worry )

9. He lives in …mountainous………………area with his parents. (mountain)

10. You should be ....careful..........................when driving. (care)

a) ƯCLN(242;363;484) = 121

ƯC(242;363;484) = Ư(121) = {1;11;121}

b) ƯCLN(28;42;126) = 14

ƯC(28;42;126) = Ư(14) = {1;2;7;14}

Vì không có phép chia cho 0 .