III.Underline the mistakes and rewrite the correct sentences.
1.We did not spent our summer holiday in DaLat last year.
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2.My brother often has three-weeks summer vacation.
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3.Does Nam have less stamps than Viet?
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4.Chi usually spends two hours to do her homework every evening.
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5.What did you bought at the souvenir store yesterday?
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6.When I first saw her,I thought she looked happily.
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7.Did you not understand what I said to you?
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8.The dress is pink and little white flowers on it.
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9.What clever brother you have!
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10.My mother bought for me a nice schoolbag on the occasion of a new school year.