Valentine's Day is almost here: ________ time of year when some of us enjoy ________ company of a loved one, while others feel lonely being alone.

I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests．

 According to the local newspaper, _____ electric shock happening in the kindergarten came as _____ big shock to the public.

You don’t need to be ______ Bill Gates to be successful. As long as you can help someone and inspire him to make a difference, you are ____ success.

Writing in your diary every day is _____ good habit, which can help you make _____ progress in writing.