IV. Fill each gap with the correct word in brackets.

1. What do you think was the greatest scientific achievement of the twentieth century? (achieve)

2. Do you have a good command (sự thành thạo) of English and a qualification in trading? You must meet all the ___________ to be admitted to the company. (require)

3. We work in _______________ rooms, so I only see him at lunch time. (separation)

4. His friends congratulated him on being _______________ as leader of the national team. (selection)

5. The boy seemed unsatisfied with the unfair _______________ of money. (divide)

6. I don’t want to ____________ you to do what you don’t like, but I really think you should. (compulsory)