英语：有关动物知识方面问题

题目

英语：有关动物知识方面问题
请改正下列的错误
1.Elephants have twenty teeth.
2.When a kangaroo is born it is 1 cm long.
3.a shark can grow a new set of teeth in a week.

答案

更正如下（查过资料的哦）：
1.Elephants have twenty-four teeth.
2.When a kangaroo is born it is 2 cm long.
3.A shark can grow a new set of teeth in several weeks.