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LeDauDaiHoc
2 năm trước
B1 cho 28.4 g P2O5 tác dụng với 200ml dung dịch NaOH 15%tính C% muối tao thành sau phải ứng B2 cho 6.72 l CO2 tác dụng 200g dd Ca(OH) 2 20%tính khối lượng kết tủa sau p. Ứng
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1 Fill in each blank with the simple past tense of the verb from the box play go do buy teach lose score win become ẹnoy 1. We really _________the game last Sunday 2. In 1958, at the age of 17,Pelé___________his first World Cup 3. The Canadian hockey team________six goals against Switzerland 4. The home team_______very well,but they lost the match 5. My father_____________ me how to ride a bike 6. I_______________ a new baseball cap last week 7.At the age of 17,Messi___________the youngest official player and goal scorer in the Spanish La Liga 8. She has a black belt in karate.She first__________karate when was seven 9. Argentina________________1-0 to Germany in the final 2) Turn the sentences into negative and interrogative forms 1. They were in Rio last summer _______________________________ 2, We did our exercise this morning _____________________________________ 3. My parents came to visit me last July ____________________________________________ 4. The hotel was very expensive _________________________________ 5. I had a bit of bicycle when I was young ____________________________________________ 6. The childern went to the zoo yesterday ____________________________________________ 7. Ernie ate the last doughnut ____________________________________ 8. THey bought a new house last month _______________________________________

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