Cam Van is one of the best well-known singer in our country.

=> Among ...

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The head injury (deaf) ___ her for life.

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His (absorb) ___ in football makes him healthy.

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Fill in the blanks with the appropriate form of word given:

The soil has to be (pure) ___ of all bacteria. 

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Fill in the blanks with the appropriate form of word given:

1.The soil has to be (pure) ___ of all bacteria. 

Fill in the blanks with the appropriate:

2. Can you name some countries ___ which English is spoken as the first language?

Make answer:

3. How / one / feel / baking / bread / at home?

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Đề bài:

\(H=\dfrac{\sqrt{a}+2}{\sqrt{a}+3}-\dfrac{5}{a+\sqrt{a}-6}+\dfrac{1}{2-\sqrt{a}}\)

a) Rút gọn

b) Tìm a để H < 2

c) Tính H khi \(a^2+3a=0\)

d) Tìm a để H bằng 5 

--- Cảm ơn ạ!!! ---