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loan2002
2 năm trước
-20+3.(2x+1) ³=-101 chứng minh: -a(b-c)-b(c- a)=-c (b-a)
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A. Fill in each blank with the suitable given word. There are four (1)____ in a year. (2)____ are spring, summer, fall and winter. In the (3)____, the weather is usually warm. Sometimes it is cold (4)____ not very cold. There are (5)____ flowers in the spring. In the summer, the day is long and the night is (6)____ People often (7)____ swimming in this season. The fall is the season (8)____ fruits. In the (9)____, it is usually very cold. The day is short and the (10)____ is long. 1. A. weather B. seasons C. activities D. months 2. A. It B. What C. They D. The 3. A. Summer B. Autumn C. Fall D. spring 4. A. But B. And C. In D. too 5. A. Many B. Much C. Two D. lots 6. A. Long B. Short C. Fat D. tall 7. A. Go B. Do C. Play D. skip 8. A. On B. Of C. At D. in 9. A. Summer B. Fall C. winter D. spring 10. A. Afternoon B. Morning C. dinner D. night

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