Task 1

a) Check your grammar: gap fill – irregular past simple Complete the sentences using the past simple form of the verb in brackets.

1. Four and a half billion years ago, the Earth ______________ no moon. (HAVE)

2. The early Earth _______________ bombarded with rocks. (BE)

3. And then along _______________ something much, much bigger. (COME)

4. Another planet _______________ the Earth. (HIT)

5. The impact _______________ a mass of liquid rock into orbit. (SEND)

6. Our world _______________ no longer alone. It _______________ a huge, powerful

neighbour. (BE, HAVE)​