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Exercise 6: Rewrite each of the following sentences so that it has the same meaning as the first one.
1. It is necessary for the young to learn English. (NEED)
2. It is unnecessary for children to get up early. (NEED)
3. Maybe she will come here tomorrow. (POSSIBLE)
4. Lily cleaned the house, but her mother had cleaned it before. (NEEDN'T)
5. He had a lot of homework to do but he did not do them. (SHOULD)
had more time (COULD)