The machine has been used for man years. It’s no wonder that it doesn’t work well __________.

(安徽省马鞍山市2009届高三第一次教学质量检测)When she realized Iher，she quickly made a pose，smiling

me, madam—–____________—–Would you mind letting me take a look inyour bag

He doesn’t________others at all，and he thinks only of himself.

The reason for _______ he failed in theexam was that he was too careless.