When Phillip lost his competition, Mark did his best to ________ the news gently．

—Please ______ us in the discussion.—I'd like to，but I'm ______busy at the moment.

 It suddenly ________ me how we could improve the situation.

At the meeting he didn’t _______ well, so everyone was in a puzzle about his idea.

We students are supposed to know how we should ourselves to surewe are in the proper mental state.