1)bo chuot vao tu lanh

mở tủ ra

bỏ vào

đóng lại

2)bộ kiến vào tủ lạnh

mở tủ ra

lấy kiến ra

bỏ vào

đóng lại

3)99

4)viên gạch rơi trúng đầu

Đáp án A.duty -free shop

Mik nghĩ thế

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S=\(\dfrac{3}{1.4}\)+ \(\dfrac{3}{4.7}\)+\(\dfrac{3}{7.10}\)+.....+ \(\dfrac{3}{97.100}\)

S=1-\(\dfrac{1}{4}\)+\(\dfrac{1}{4}\)-\(\dfrac{1}{7}\)+\(\dfrac{1}{7}\)-\(\dfrac{1}{10}\)+.............+\(\dfrac{1}{97}\)-\(\dfrac{1}{100}\)

S=1-\(\dfrac{1}{100}\)

S=\(\dfrac{99}{100}\)

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1.Mr Lam was working in the library when the phone rang

2.Go with me and l will show you my new car

3.Tran Ha Vi of Vietnam won a gold medal at the Aerobic Suzuki World Cup,the 27th International Aerobic Championship in Tokyo,Japan,on Aprial 3rd

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I could go to school yesterday.I was ill

=>Because of my illness , I couldn't go to school yesterday

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2.Theyhaven't decided to go out or stay at home

3.when she was a chid,she(have)a cat and a dog.

4.Lien was watching TV when I arived

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Mai and Linh are the same weighs 49 kilos

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This question is found to be difficult to understand by us

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1, Julie is happy because she has found a flat to rent

2, He has contacted me twice so far

3, They have owned this house since 1990

4, Some one leaves their garbage at the front date everyday this week

5, She has slept since 8 p.m

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today i received a letter from my friends.

he. is tall and handsome with a smiling face

is hehandsome enough to be a film star?

oh, no. he isn't hangsome enough to be an actor

does your friend like telling jokes

what do you know about the sun

the earth moves around the sun

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