Use the cues to write sentences There/so/adverts/in/this newspaper that it isn't worth buyng

Ответ: There are so many adverts in this newspaper that it isn't worth buying.

Пояснение: There are сочетается со словом во множественном числе, There is - в единственном. После Many мы используем исчисляемое существительное, а неисчисляемое сочетается с much.