问题
选择题
— Tom, did Mr. Li join you in your discussion?
— No, he＿＿, but he happened to have fallen ill.
A．would like to
B．will
C．was to have
D．was going to join
答案
答案：C
C项是was to have joined us in our discussion 的省略形式。was／were ＋ to have done表示原来计划、安排要做的事，而实际上并没有做。