1.  It differed from what I used to think.

2.  Oh, hopefully she was as enthusiastic as I used to think.

3.  That way, the leaflets could be used for the second time and the campus could be more environmental-friendly.

4.  There are another campus-standards used by people to make incorrect judgments.

5.  One spends most of his time on studying, while the other on online games; one gets used to going to bed early while the other enjoys staying up all night watching movies; one likes reading alone while the other always calls friends for poker game-and so on.

6.  I was so used to being petted and noticed that I totally couldn't calm down and concentrate on the preparation.

7.  Some merely used eye contact to convey their feelings, amazement or doubt or admiration or- Still some watched her with stilled blankness-\

8.  Now the campus is used as a public relaxing area and full of joy.

9.  As for me, I was used to classify people into different groups to make acquaintance of them.

10.  To our surprise, he was good at lecturing for he used many funny examples.