题目内容：

There are many kangaroos（袋鼠）in Australia and not only in zoos. You can see them everywhere outside the cities and towns. Kangaroos have very strong legs. So they're very good at jumping. Their tails are very strong, too. So when they want to have a rest, they rest on their tails. Kangaroos are also very good at looking after their babies. Mother kangaroos keep their babies safe in their pockets.

1.There're many kangaroos in ________.

A. America    B. Australia    C. England

2.Their legs are strong, so they're good at ________.

A. jumping    B. dancing    C. running

3.Kangaroos are also good at ________ their babies.

A. looking up    B. looking after    C. looking at

4.Kangaroos can rest ________.

A. with their tails    B. with their legs    C. on their tails

5.________ keep their babies safe in their pockets.

A. Mother kangaroos    B. Father kangaroos    C. Kangaroos