giải tam giác ABC vuông tại C có AB=5cm,AC=3cm 

giải tam giác ABC vuông tại C có AB=5cm,AC=3cm

câu điều kiện

1,The airport was closed.She didn't fly to Rome

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2,We got lost because we didn't have a map

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QKĐ ->HTHT

1,I have never visited HaLong Bay before

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2,I haven't cheated in exam for years

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3,I hve married for 10 years

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4,How long have she lived in Da Nang?

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5,He hasn't smoked for 2 years

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6,I hve learnt French for 3 years

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7,I haven't met her for 5 days

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QKĐ → HTHT

I have never visited HaLong Bay before

CĐ sang BĐ

1,the doctor advised him to stop smoking and drinking

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2,people belive that someone murdered mr stone

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