Fill in the Blanks B1 - Sports - 2Online version Fill in the blanks activity. by Bau Prep 1 explanation estimate overseas essential proportion rational intervene reverse environment authority constitute evident 1 . It is reported that the school's students come from 23 foreign countries . 2 . When your parents get old , your roles as child and parent ? you become the parent and the parent becomes the child . 3 . Traffic wardens have the to give tickets for illegal parking . 4 . The under - 18s nearly 25% of the town's population . 5 . The report shows that poor families spend a larger of their income on food . 6 . We're not doing enough to protect the from pollution . 7 . It is not easy to how many people have the disease . 8 . From the smell it was that the drains had been blocked for several days . 9 . Parents need to be fully informed so they can make a decision . 10 . I'm sure there's a rational for all this . 11 . The police don't usually like to in disputes between husbands and wives . 12 . Even in small companies , computers are an tool .
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