Anxious,strange,worried,careful
1.be________of the dog that does not bark
2.Fred is afraid of flying.he feels _______before he gets on the plane
3.I have not seen my cat for two days.i am very_______about her
/4.There's a_______smell in the house.do you know what it is?
5.my glasses d_______on the floor and was broken
6.If he is free this Sunday,he will have an a________with his dentist
7.We are studying hard because the f________ exam is coming
8.He is w________ about his sick father