Fill in the blanks in the sentences about kangaroos.

Sentence Completion:

1. Kangaroos sometimes get very hungry because they live in countries where the weather is often very hot and dry. The grass and small plants that kangaroos eat don't grow well when there isn't rain.

2. Kangaroos have two huge feet and two of strong legs are long and strong. They can hop very quickly on these two legs. But kangaroos can't move quickly when they walk all four legs. Kangaroos have strong tails, which help them to balance. Did you know that kangaroos can swim too? Some are four kinds of kangaroo and most live in Australia.