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antrang.11112001
2 năm trước
1)Tìm đa thức A cho biết a)A+(x^2+y^2)=5x^2-3y^2-xy^2 b)A-(xy-x^2+y^2)=x^2-y^2 Có hình càng tốt ạ
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PASSIVE VOICE – PRESENT PERFECT 1. She has opened the window. ............................................................................................................................... 2. The monkey has just eaten a banana. ............................................................................................................................... 3. The hen has laid an egg. ............................................................................................................................... 4. She has just done a magic. ............................................................................................................ 5. Kevin hasn’t caught any fish since this morning. .............................................................................................................. 6. Snoopy hasn’t finished the picture yet. ............................................................................................................................... 7. The man has taken some photos of them. ........................................................................................................... 8. This is the third time Peter has fed the dog. .............................................................................................................. 9. That girl has won a trophy. ............................................................................................................................... 10.The two cats have built a cat snowman. ............................................................................................................................... 11. Tom has already cleaned the board. ...............................................................................................................................

PASSIVE VOICE – PRESENT CONTINUOUS 1. The boy is singing a merry song. ............................................................................................................................... 2. Mr. Brown and his son are flying a kite at this time. ............................................................................................................................... 3. The cat is drinking some wine. ............................................................................................................................... 4. The penguin is making a snowman outside now. ............................................................................................................ 5. The waiter is serving two diners at this time. ............................................................................................................. 6. My sister is reading a novel now. ............................................................................................................................... 7. They are selling paintings now. ........................................................................................................... 8. Mom is vacuuming the floor. .............................................................................................................. 9. Mary is throwing the ball into the basket. ............................................................................................................................... 10.Santa Claus is carrying a big bag of presents on his back. ............................................................................................................................... 11. Look! The dog is gnawing a piece of paper. ...............................................................................................................................

II. Choose the correct option A, B, C or D to complete the sentences: 1. ............. books are here. ............. are there. A.Theirs – ours B. Their – our C. Theirs – our D. Their – ours 2. Does your car ever ……….……..down on the way to work? A. take B. do C. break D. turn 3. ............. the film was gripping, Tom slept from beginning to end. A. Therefore B. Despite C.However D. Although 4. Nuclear power …………..…..in the future. A. will replace B. replaced C. replaces D. will be replaced 5. You should look right and left when you go ............. the road. A. down B. across C.up D. along 6. ……………….. has he lived here? A. How many B. How long C. How often D. How much 7. You found the plot of the film ............. A. boring B. bored C. interested D. acting 8. …….. the silly story, many people liked the novel. A. However B. In spite of C. Although D. Despite of 9. It’s really difficult to ............. a bicycle up the hill. A. fly B.drive C.pedal D. sail 10. Although they spent a lot of money on the film. It wasn’t a big ……………….. A. failure B. performance C. show D. success 11. At this time next week, we ............. a test on sources of energy. A. will take B. take C.will be taking D. are taking 12. We …………….....to school last year but now I go to school by bike. A. was walking B. used to walk C. walked D. have walked 13. Have you ever............. to Sapa? A. seen B.be C.visited D. gone 14. A lot of flowers ............. in Sapa throughout the year. A. grow B.grew C.are grown D. grown III. Give the correct tenses or forms of the verbs in brackets. 1. Next week at this time, you (lie) on the beach. 2. There used (be) a waterpark here but it was knocked down last year. 3. Tomorrow at this time I (dance) at a party. 4. We find (arrange) flowers interesting because it (help) us relax. 5. Linh likes (cook) very much. She can cook many good foods. 4. I think, in the future people (not play) individual games.

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