18:B
19:D
20:D
21D
22B
23D vì đây là thời t.lai tiếp diễn
24C( mik ko chắc lắm)
25A
26A
2)27B
28A
29C
30B
31C
32A
34 solar energy will be used to solve the problem of the energy shortage
35 inspite of hi leg being broken, his still got to the finish
36 he is one of the most intelligent in the competion
Chúc b học tốt nha