Parents，of course，will do everything they could to________their children from harm.

It was a real race __________ time to get the project completed in such a short time.

—Will you be ______ this evening, Mary?—That depends. I am afraid I will be with my manager discussing a plan.

 I barely have time to think, ________ relax with a cup of tea.

We think anyone whose careless actions＿＿＿＿＿serious results should be punished．