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fattybabi1
2 năm trước
1/1.3=1/3.5+1/5.7+...+1/(2x-1).(2x+1)=49/99 Tìm x nka mng nhanh hộ=((
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I. Write the correct form of verbs in the bracket. 1. It (be) often hot in summer. 2. The children often go (swim) in rivers after school. 3. It is necessary (water) the flowers twice a day. 4. Farmers are always busy with (harvest) their crops. 5. Mai (love) (listen) to the morning sounds in the countryside. 6. My father always (make) important decisions in my family. 7. In summer afternoons, children often (fly) kites especially when it (be) windy. 8. We sometimes (gather) around the campfire and (listen) to the elderly tell stories about my village's heroes. II. Give the correct forms of verbs in the brackets. 1. H5N1 virus (harm) ______human body very quickly. 2. Vegetarians (live) on vegetables, fruit and nuts. 3. Tina (sometimes, miss) the bus to school. 4. She (not like) housework at weekends. 5. They (eat) two eggs every day. That (not be) good for their health. 6. My mother and I usually (cook) meals for my family but my father (seldom, cook) . 7. Hoa and Ba sometimes (not water) the flowers in their garden. 8. My brother (spend) half an hour (do) his homework everyday

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