用括号中所给单词的适当形式填空。
1. The Browns have four children and Lucy is their ________ (old) child.
2. The experiment was lots ________ (easy) than they had expected.
3. Today many women continue to work after they get ________ (m
arry).
4. There were many young ________ (couple) taking part in the a
ctivity.
5. I think food that is ________ (fresh) cooked is healthier than ready-made food.