Don’t ______ to spring-clean the whole house just because my mother is coming---there's no need to do that.
— Must I finish my homework before class is over? — No, you ______. You can hand it in tomorrow.
--Will Anna attend the party? --If her husband doesn’t go, _________she.
The mother often tells her son to be a good boy, warning him to _____ trouble.
This heavy rain made______ impossible_______ us to complete the task on time.
It____ ten years ______ I graduated from university.