Then I usually lay there just              the ceiling, thinking about everything that could go wrong.

(2014·临沂市3月质量检测)When I first got this horse，she was not going to accept any________from me.

I was completely terrified when I suddenly saw a dark figure leaning ________ the door in front of me.

American English has so many _________ because the American people have come from all over the world.

It is shown that men have         as women do on average while driving according to recent statistics.