I/1A,2C,3D,4B,5C
II/1B,2C,3B,4A,5C
III/1.speaking,2.light,3.homeless,4.official,5.using,6.tornado,7.polluted,8.capital,9.kilt,10.camp
IV/1D,2A,3B,4B,5C,6D,7B,8C,9A,10D
V/1A lead in->lead to
2 mình hk bt sai chỗ nào
3C but->but also
4B having->to have