"right"and"write"sound the same，______ they do not mean the same thing．（ ）
A．butB．ifC．soD．or
A smile costs ， but gives so much．（ ）
A．somethingB．anythingC．nothingD．everything
Lisa was so careless that she made many spelling ________ in her homework．（ ）
A．plansB．decisionsC．gradesD．mistakes
If you read a lot，your life will be full ________ pleasure．（ ）
A．byB．ofC．forD．with
Fred is always ____ because he often does something good for his health outdoors．（ ）
A．weakB．nervousC．seriousD．energetic
Tony，what's ________ matter with you？
I have ________ toothache．（ ）
A．a； theB．the； aC．/； theD．the；/