Giải thích luôn đc k ạ 11) Lizzy has just won a ________ to a world-renowned university. (scholar) 12) It's ________ arguing with them. They are not going to change their mind. (point) 13) You will need your parents' _______ if you want to go on the school trip. (permit) 14) It's a wonderful restaurant. Great food and excellent service. We _______ recommend it! (high) 15) Thank you so much for the flowers. It's very ________ of you. (thought) 16) Sarah speaks perfect French as she spent much of her __________ in Canada. (child) 17) I've ________ my wallet. Have you seen it anywhere? (place) 18) Don't forget to ________ the modem when you have finished using it. (connect) 19) Ben sulks like a child when he doesn't get his own way. He's so ________ . (mature) 20) Oliver's CV is truly _______ . He's bound to get the job. (impress) 21. It's totally ___________ that you stayed home when you were sick. (understand) 22. Don't laugh at his stupid jokes! You'll only ___________ him to say them again. (courage) 23. That sidewalk is ___________ (slip), I almost fell! 24. After Monday, I will no longer be a foreigner--I am receiving my ___________ (citizen)! 25. Arthur will be very lonely unless you ___________ (friend) him. 26. Every afternoon, the cooks ___________ (sharp) their knives in preparation for dinner. 27. I hate being around Mary Lou, she is so ___________ (friendly). 28. The stock market crash of 1929 left my great-grandfather ___________ (penny). 29. I have a class at 8:00 a.m. but I always ___________ (sleep). 30. The groom may ___________ (veil) the bride only when their vows have been exchanged 31. I think we should try something else. That strategy seems way too ___________ (risk). 32. My father's death left me with a great ___________ (empty) in my heart. 33. George W. Bush is pretending that he attacked Iraq to ___________ (liberty) the Iraqis. 34. Americans fought hard to earn their ___________ (free) from Britain. 35. When you work at a nuclear power plant, you have to be extremely ___________ (care). 36. Every time I think I've beaten you, you ___________ (do) me! 37. I had to take three months off when I was pregnant, but my boss has been very ___________ (understand). 38. He will ___________ (cork) the wine as soon as we are ready for dinner. 39. You need to work on your orthography so you don't ___________ (spell) these words. 40. The weather ___________ (cast) looks bad for a picnic--rainy and windy!