21. ________ is a piece of jewellery consisting of a chain, string of beads, etc. worn around the neck. A. bracelet B. ring C. necklace D. earrings 22. ______ is a piece of jewellery worn around the wrist or arm A. bracelet B. ring C. necklace D. earrings 23. Kallu and Zahra in the story “Double Trouble” said that they were never _____ again. A. smart B. greedy C. successful D. angry 24. It is a tool that you use for digging in the ground. A. pot B. knife C. spade D. stick 25. It has the taste of sugar. A. sour B. spicy-cay C. sweet D. bitter 25. ____ is the taste of dark chocolate. A. sour B. spicy-cay C. sweet D. bitter 26. ____ is the taste of chilli. A. sour B. spicy-cay C. sweet D. bitter 27. _____ -to get warmer and become liquid A. freeze B. melt C. heat D. steam- bốc hơi 28. ______ - the red liquid in your body. A. water B. head C. heart D. blood 29. Dark chocolate is good _____ your heart. A. in B. at C. for D. of 30. It is a piece of paper money. A. coin B. banknote C. turkey D. cacao bean 31. Wine is made _____ grapes. A. in B. from C. for D. of 32. Bookshelf is made _____ wood. A. in B. from C. for D. of 33. People use the beans of ____ trees to make chocolate. A. chilli B. plant C. cacao D. rice 34. If I __________the same problem you had as a child, I might not have succeeded in life as well as you have. A. have B. would have C. had had D. should have 35. I __________you sooner If someone had told me you were in the hospital. A. would have visited B. visited C. had visited D. visit 36.If I __________more help, I would call my neighbor. A. needed B. should I need C. have needed D. had need 37. __________then what I know yesterday, I would have saved myself a lot of time and trouble over the years. A. If I had known B. did I know C. If I know D. If I would know 38. ______ is the planet in the solar system that is fourth in order of distance from the sun, between the Earth and Jupiter. A. Venus B. Earth C. Mars D. Jupiter 39. _____ the planet in the solar system that is second in order of distance from the sun, between Mercury and the Earth A. Venus B. Earth C. Mars D. Jupiter 40. Neil Amstrong became the first man to walk on the surface of the _____. A. Earth B. Mars C. Moon D. Mercury –sao thủy