1. My Cranny usually (buys) vegetables at the market.
2. This snow always (begins) at five o'clock.
3. My cousins often (visit) me at weekends.
4. Susan usually ( has) a shower in the morning.
5. This car (costs) too mych for us.
6. You sometime (take ) your children to the theme park.
7. Do Liz and her sister often (go) skating to the skating-rink?
8. Den often (goes) on a ride with his friends.
9. Does it often (rain) in spring?
10. Does her dog (like) to sleep on the sofa?
1.produces
2.has been polluted
3.was interesting
4.has experienced/work
5.improve
6.becomes
7.take
8.dean(?)
9.combines
10.are being used
11.is done
12.must be planned
13.are polluted
Traditional agriculture is doing more harm to the environment, undermining biodiversity and water resources by releasing greenhouse gases.