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B = ( -$\frac{3}{4}$$x^{5}$$y^{4}$ ) . ( $xy^{2}$ ) . ( -$\frac{8}{9}$$x^{2}$$y^{5}$ ) Thu gọn, tìm bậc của đơn thức
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41. It's years since I took photographs.  I haven’t _____________________________________________ 42. I last watched TV on new years's day.  I haven’t ___________________________________________________ 43. It's 3 months since he wrote to me.  He hasn’t ______________________________________________ 44. The last time I was aboard was in the summer of 1978.  I haven’t _______________________________________________ 45. It's ten years since that house was lived in.  That house ____________________________________________ 46. I haven't seen him for 2 months.  I last _________________________________________________ 47. I haven't been to a concert for over a year.  The last time ________________________________________ 48. The last time I really enjoyed myself was your birthday party.  I haven’t ____________________________________________ 49. It's nearly 20 years since my father saw his brother.  My father hasn’t ________________________________________ 50. When did you learn to drive?  How long ____________________________________________________ 51. The last time I went swimming was when we were in Spain.  I haven’t __________________________________________ 52. You haven't tidied this room for weeks.  It’s weeks since__________________________________________ 53. We started looking for a flat 2 months ago and we are still looking.  We have ____________________________________________ 54. This is the first time I've been to a night club  I haven’t _________________________________________ 55. They have never heard such a thing before.  This is the first time ____________________________________ 56. No one has challenged his authority before.  This is the first time __________________________________ 57. She left university 2 years ago  It is 2 years since ________________________________________ Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn

UNIT 1: LEISURE ACTIVITES - GRADE 8 Ex 1: write the meaning of new words. Addicted (adj): …………………….. Communicate (v………………. Community centre (n): ……………. Craft (n): …………………… Craft kit (n): ……………………….. Hang out (v): ………. Hooked (adj): ……………………… Detest (adj): ………………. Ex 2: Find the word which has different sound in the underlined part in each line. 1. A. addicted B. virtual C. kit D. active 2. A. communicate B. produce C. computer D. summer 3. A. pressure B. especial C. prepare D. helpful 4. A. hooked B. book C. school D. foot 5. A. wanted B. booked C. hooked D. stopped Ex 3: Choose the correct option for each gap in the sentences. 1. A. addicted B. especially C. computer D. concentrate 2. A. virtual B. prepare C. visit D. visible Ex 4: Choose the best answer A, B, C, or D. 1. Does she fancy …………… a book to the younger children? A. reads B. reading C. to read D. read 2. They enjoy …………… on Sundays. A. garden B. gardening C. gardened D. gardens 3. They love ……………with their friends. A. eat out B. ate out C. having eaten D. to eat out 4. I prefer …………… people. A. text B. texting C. texted D. texts 5. They detest …………… so early in the morning. A. getting up B. get up C. to get up D. gets up 6. My dad doesn’t mind…………… my mom from work every day. A. pick up B. picked up C. picking up D. picks up Ex 5: Put the verbs in brackets into the correct form. 1. Son, do you fancy (play) ………………….. badminton with me some time next week? 2. I love (listen) ………………….. to music with good earphones! 3. My brother likes (cook)………………….., but he detests (wash) ………………….. the dishes. 4. They enjoyed (watch) ………………….. the show very much. 5. She doesn’t like (communicate) ………………….. through emails. In fact, she hates (do) ………………….. it. She prefers (meet) ………………….. people in person. 6. They adore (make) …………………..and (eat) ………………….. good food. giúp vs mn

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