Rewrite sentences without changing the meaning

We were having dinner when suddenly the phone rang.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

It was one of the better plays we've ever seen.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

The study will be carried out over a six-month period, which are announced in the school board

Rewrite sentences without changing the meaning

My mother permitted me to go out at night.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

All the children have to spend equal time study at school

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

They used to eating potatoes when they were in the village but now they don’t

Rewrite sentences without changing the meaning

It is possible that she will come to our party tonight.