I. USE OF ENGLISH: 1. Choose A, B, C, or D which best completes the sentences: 1. We should use energy – saving bulbs to save………………………… A. energy B. garbages C. water D. power 2. I think we ………….. turn off the TV after 10 o’clock in the evening. A. may B. should C. can D. shall 3. Tom suggested _________ to eat. A. go out B. going out C. to going out D. went out 4. I think we should _________ energy in order to save money. A. waste B. turn C. use D. save 5. Our environment is extremely _________ . A. wasted B. ended C. polluted D. covered 6. My Dad is alway go to the library. He loves_________________. A. read B. to read C.reads D. reading 7. If you are busy, we____________this by ourselves.. A. would do B. did C. will do D. doing 8. If we go on _________ the water, there will be a shortage of fresh water in the near future. A. pollute B. pollution C. polluting D. polluted 9. In a few years’ time, our houses will be heated by _________ energy. A. nuclear B. solar C. coal D. natural 10. We will be late for school _________ the bus is late. A. because B. so C. however D. but 11. The teacher divided the students _________ four groups. A. in B. into C. on D. onto 12. The cost of living in Vietnam is low compared _________ Singapore. A. as B.with C. of D. than 13. He forgot his umbrella_________ he got wet . A. so B.becauseof C. since D. but 14. My students can speak English very _________ . A. fluently B. fluent C. fluence D. fluenting 15. The fact is that a _________ faucet can waste 500 litre of water a month . A. drip B. dripping C. drips D. dripped 2. Supply the correct Tense or Form of the Verbs in parentheses: 1. We shouldn’t ____________ the garbages( litter) 2. We are looking forward to___________ from her. (hear) 3. Her grandpa used to ________________ his living by catching fish. (make) 4. We ______________ an ideal place to live if we keep our neighborhood clean, (have) 5. In the future solar energy _____________ to replace fossil energy. ( use)

Bức tranh dưới đây gợi cho e suy nghĩ j về nỗ lực đạt đến thành công trong cuộc sống hãy viết đoạn văn 12 câu để bày tỏ

giúp mình với câu này khoai quá

cho tam giác ABC vuông tại A. trên AB,AC lần lượt là các điểm D,E . gọi M,N,P,Qlần lượt là trung điểm của DE,EB,BC,CD. chứng minh rằng: M,N,P,Q cùng thuộc một đường tròn

(x-3).(x+5)=-17 (x+1).(x-2)=11 x-7x+3x=-22

Giúp em làm 1 câu bất kì bài 3 với ạ

Giải thích tại sao trong các phân xưởng dệt, người ta thường treo những tấm kim loại đã nhiễm điện ở trên cao?

3 Each of the followink;plpolkg sentences has one mitake 1 tom uses to wear glasses,but he does not now. 2 She wishes she can speak English as fluently as her brother. 3 Malaysia is divided in three regions. 4My father asked us not to spending too much time playing computer games. 5 Ba can play the piano better more than his friends can. 6 she did her test careful last week. 7 My father asked me to pay much attention to English next year. 8 When he was a little boy , he used to going swimming. 9 You don't like tea, do they? 10 They spent all morning to learn English yesterday 11 There are different magazines in this newsagent, aren't they? 12 English is speak all over the world. 13 He thinks that chat on the internet is a waste of time. 14 Wearing uniform encourage students to be proud about their school

tính B=36/1.3.5+36/3.5.7+36/5.7.9+.......+36/25.27.29 giải thik chi tiết từng bước giải xong mik vote 5 sao cảm ơn nhiều ạ

Bài 6: 1)A=23.x-35.y biết x=-8,y=-5 2)B=(69-85).x-(-28+47).y với x=4,y=-5 3)C=(12-46)x+(-35+58).y với x=-3,y=-6 4)D=(68-87).x-(-26+49).y với x=5,y=-6