单复数转换,1.They go to the park by bus.2.A kangaroo can jump 30 kilometer an hour.3.Here are some good newspaper.4.They can't walk.5.She doesn't have an orange hat.6.They are army officers.7.Baby koala bears aren't very big but adult polar bears are very strong.

He goes to the park by bus.

1.He goes to the park by bus.
2.kangaroos can jump 30 kilometers an hour.(原题错误，kilometer前面是30要用复数形式加s）.
3.Here is a good newspaper.
4.He can't walk.
5.They don't have any orange hats.
6.He is an army officer.
7.A baby koala bear isn't very big but an adult polar bear is very strong.

1.He goes to the park by bus.2.kangaroos can jump 30 kilometer an hour.3.Here is a good newspaper.4.He can't walk.5.They don't have any orange hats.6.He is an army officer.7.A baby koala bear isn't ve...

1.He goes to the park by bus .
2.Two kangarooes can jump 30kilometers an hour .
3.Here is a good newspaper.
4 He can't walk.
5.They don't have any orange hats.
6.He is army officers.