I. Underline the best option to complete the passage. (1.5 pts)
I'm happy to share with you some good news about my village. There have
been some changes (1. since/ for/ after)your visit last year.
Last week I came back to my village and was really surprised. You know what?
The lake is not (2. pollute/ polluted/ pollutant) anymore. The factory has
installed a new filtration system to treat the (3. chemistry/ chemist/ chemical)
waste. I saw lots of small fish in the lake and wild ducks swimming in the
water. Besides, they have planted trees around the factory to (4. increase/ reduce/
fall) air pollution.
Since some villagers are in the habit of littering, people have placed dustbins in
various places. This has
(5. resulted/ caused/ led)
in a much cleaner environment. My grandparents
say that at weekends the villagers also go around the village together to (6. take/
get/ collect) rubbish.