问题补充：
—Will Mr. Black go to the opening ceremony this weekend?
—No, he has finally decided .
A. not
B. not to
C. not to go
D. not to go to
答案：
A. not
B. not to
C. not to go
D. not to go to
解析：考查省略。句意：布朗先生会出席周末的开幕式吗？不，他最后决定不去。Decide not to do 决定不做某事，省略到to ,不定式作宾语补足语时,省略to后的动词部分,即用to代替整个不定式故选B项。
考点 :考查省略
