Fill in:clenched ,sociable,selfish,biting,patient,reliable,,stubborn,blushes,nervous,optimistic
1.He was so angry he................. his fists tightly
2.She likes making new friends.She's very..................
3.................people always look on the bright side of life
4.She doesn't get angry easily.She's very .....................
5.He is very ...................He won't let you down.
6.Stop.............................................your nails
7.A................................................person doesn't care about other people's feelings
8.Jane is shy.She ........................................when strangers talk to her
9.He always feels................before his exams.
10.Listen to me! Don't be so............................