Question

1) I have found some milk in the refrigerator, so we... go to the store. There is plenty of it. A) cannot C) don't need B) must not D) don't have12) I'll look after the children while you're away, so you... worry about them. A) may not B) mustn't C) needn't D) don't have or which​

Answer 1

Ответ:

1) C) don't need

12) C) needn't

Answer 2

For the first one, it sounds like there's enough milk, so I'd go with C) don't need.

And for the second one, if you're assuring someone that they don't need to worry about the children, it would be C) needn't. What do you think?