改错，下列各句均有两个错误，请指出并改正。
1. Danny is skateing for wards.
2. There is four season in a year.
3. Sometimes Danny learn to make snow balls.
4. Are winter your favourite seasons?
5. Danny walk to park yesterday.
试题答案
1. skateing-skating, for wards-forwards
2. is-are, season-seasons
3. learn-learns, snow balls-snowballs
4. Are-Is, seasons-season
5. walk-walked, park-the park