综合填空。 用适当的词完成句子,使短文意思完整。 |
There are 47 different kinds of Kangaroos (袋鼠). The smallest are about a quarter of a meter long. The 1. _____ are taller than a man. Kangaroos have very long strong back 2. _____. These are used for 3._____ . They also have 4. _____ strong tails for resting on. Kangaroos' front legs are 5 ._____shorter, and are almost like arms. Kangaroos' |