问题
选择题
–We’ve decided _______ on a trip this afternoon. Will you join us?
-- I’m afraid not. I have some problems ___________ out.
A．to go, to work
B．to go , working
C．going. to work
D．doing, working
答案
答案：A
题目分析：句意：我们决定今天下午去旅行，你愿意加入我们吗？恐怕不行我有一些要算出的题。decide to do sth决定做某事。some problems to work out，动词不定式做后置定语与被修饰词之间存在逻辑上的动宾关系。故选A