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II

1. the number of english speakers is increasing fast in the world

2. NY is the capital city but not the biggest in the USA

3. dean wanted to know if aliens could communicate verbally

4.pig racing is often held for entertainment at a country fair 

5. how can you reduce waste in your home 

III

1. if i were you, i would plant vegetables in the garden

2. your cheque was sent last sunday and should be delivered to you tomorrow

3. most people don't know where their placstic waste go

4 . that was terrible earthquake but luckily we survived

5. sydney is the largest city in australia with population of 4.4 million