Ex. 4
much, many, many, much, much, many
Ex. 5
is, are, is, are, is, are
Тут нет ничего сложного. Перед неисчисляемыми существительными мы ставим MUCH, перед существительными, которые мы можем посчитать, MANY
После неисчисляемых существительных ставим is (как в ед. числе), а после исчисляемых - are (если их несколько)
1) Betsy think, that parents shouldn't ask their children to do housework. And also Betsy think, that she don't must to cook and clean. But Sally has another opinion. She enjoy helping her mother with the cooking and with cleaning the house. Sally think, that we should to do something with your own hands.
1-who
2-that
3-who
4-which
5-who
6-that
7-that
8-who
1. Have to
2. Must, have to
3. Have to
4. Must, have to
5. Have to
6. Have to
7. Have to
8. Must