1.加上 the longest necks.
2.加上 the biggest mouth.
3.加上 the heaviest animals on land.
4.加上 the loudest animals.
请用下面方框内的短语,描述一下动物园里的动物.方框内：—the heaviest animals on land —th
1.加上 the longest necks.
2.加上 the biggest mouth.
3.加上 the heaviest animals on land.
4.加上 the loudest animals.