** b) Use the phrases from Ex. 3a tocomplete the sentences. 1 We needed a. . . . . . tohelp us design and build a new skyscraper. 2 Hiswas wonderful to read about. 3 Zarina decided toabout the dangers of pollution in the area. 4 The water . . . brought safe drinking water to the village. 5 A lot of . . . . happenedwhen the tsunami hit the area; it was awful. 6 When . . . . . . . . . . worktogether they can achieve great things.

1. We needed a civil engineer to help us design and build a new skyscraper.

2. His inspirational story was wonderful to read about.

3. Zarina decided to raise awareness about the dangers of pollution in the area.

4. The water cleaning project brought safe drinking water to the village.

5. A lot of terrible tragedies happened when the tsunami hit the area; it was awful.

6. When brilliant minds work together they can achieve great things.