He rang up all his friends in the pop world ________ the most famous pop stars.

He won’t become aware ________ his mistake until the last moment.

I am well ________ teach him lesson.

The look on his face is a sign that he is ________ his son’s safety.

His car knocked into an old man who was walking ________ slow ________.

What a pity I ________ on the last problem, or I would have got a full mark.