问题
选择题
I don’t doubt ____________ she can do it well, but I doubt _________ she is willing to do it.
A．that; if
B．that; that
C．if; if
D．if; that
答案
答案：A
题目分析：句意：我不怀疑她能做好这件事，但是我怀疑她是否愿意做这件事。Doubt前有否定词时后面用that引导，而前面没有否定词时，要用whether或if或特殊疑问词来引导，表达疑问；故选A。