I________invite Mr Green to the party that day, but he forgot it completely.[ ]

We can’t understand ______ a decision untilit is too late

My mother isn’t at home right now. She outside with my father.

Netizens are frequently reminded to be ________ about revealing (透露) their personal information on the Internet.

The man is ________ a serious nervousbreakdown because he is unable to deal with pressure from daily life.