Question

1.It's a big factory. Five hundred people.....(employ) there. 2.Water.....(cover) most of Earth's surface. 3.Most of the Earth's surface.....(cover) by water. 4.The park gates.....(losk) at 6.30 p.m. 5.The letter.....(post) a week ago and it......(arrive) yesterday.

Answer 1

1. Are employed

2. Covers

3. Are covered

4. Are locked 

5. Was posted a week ago and it arrived