Give the corect forms of the words in the brackets to finish the following sentences. What have fashion designers done to (modern) ... the so dai. A computer can gather o lot of (inform) ... for different purposes?

Give the corect forms of the words in the brackets to finish the following sentences.
1. What have fashion designers done to (modern) ... the so dai
2. A computer can gather o lot of (inform) ... for different purposes ?
3. In order to keep our environment (pollute) ... we shouldn't drop litter in public places .
4. Our teacher is pleased that we solved the problem (effect) ...