The fixed star was a planet.（）

Experts have found that normal sleep can be divided into five______stages

No sooner ()had I reached home than Michael arrived with Jane in his car

He is ______absorbed in his own thoughts that he seems unaware of what's going on in the room

I'd appreciate it very much if you could make some ________on my recent article at the conference.

It was ________of you not to disturb us while we were sleeping

Out sleep influences our mood. our mood, ________,affects our performance

A person is lucky if his career ________with his interest and hobby

The teacher required that all errors should be _______eliminated before the students turn in their term paper

Good parents have the ability to communicate messages of love, trust, and self-worth ______their children