I
1B
2B
3A
4C
5B
II
6 He has been studying the effect of global warming on people's lives for two years.
7 Having taken a gap year to travel to different country, she continued her study at oxford university.
8 Nga apologised for dropping the jug.
9 People admire the world's largest plastic companies with 100 percent alternative energy.
10 They haven heard about that scholaship since they were freshmen.
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