Відповіді: Стр.60 (1)

1. Look at the examples. Which tenses are used in each pair? Match each example to rule a or b.

1–a; 2–a; 3–b; 4–b.

1. If wildlife experts ever discover them in people’s homes, they take them to a rescue centre.

2. When the animals are healthy enough, the experts transfer them to a safe area in a national park.

3. If we protect orangutans now, they will have a future.

4. They won’t have a future if we do nothing.