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1. Find and correct the mistakes. Example: 0. I haven’t saw you for two months 0/ seen Nam is a student. This year he had a very interested summer 1/ ___________ holiday. He traveled with him classmates, to a mountainous area 2/ ___________ in Ha Nam province. They gone there to help make a road 3/ ___________ through a forest among two villages. “ It was very difficult 4/ ___________ because there had no water to drink and no shops where we 5/ ___________ could bought food,”said Nam. “ It was very cold and wet 6/ ___________ in the mountains. It is one of the wetter places in the country.” 7/ ___________ Nam stayed in the mountains since six weeks. It was hard work, 8/ ___________ But he says it was the best thing he has ever did. He is hoping 9/ ___________ to return next year to do any more work there. 10/ __________ 2.Rewrite the sentence. 1. Keeping the environment clean is very important. -> It’s ………………………………………………………………………………….. 2. They will show the time machine to the public when they finish it. -> The time machine ……………………………………………………………….….. 3. They have given her a bunch of flowers. -> A bunch of .................................................................................................................. 4. Old car tires are recycled to make shoes and sandals. -> People ……………………………………………………………………………… 5. This textbook has sixteen units. -> There are …………………………………………………………………………… 6. It’s three years since I last spoke to her. -> I haven’t …………………………………………………………………………… 7. Tam doesn’t type as fast as she used to. -> Tam used ………………………………………………………………………….. 8. “ Please turn down the radio for me, ” said my father. -> My father asked …………………………………………………………………… 9. Lan will be fifteen next week. -> It is Lan’s ………………………………………………………………………….. 10. How long is it since you used the pen? -> When ………………………………………………………..……….…………….?