51. Age-> old
52. To play-> playing
53. ........does a banana cost
54. In one day-> one day
55. Marble-> marbles
56. As-> such as
57. Scientific-> science
58. Coming-> to come
59. less-> fewer
60. Bỏ many.
V
1. B. at
bỏ
2. D. to play
playing
3. D. cost
costs
4. D. in one day
one day
5. B. marble
marbles
6. B. as
like
7. D. scientific
science
8. A. coming
to come
9. A. less
fewer
10. C. many
bỏ
Cảm ơn bạn nhiều vì đã giúp mình cảm ơn......
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