问题
选择题
The story is moving, and the questions, I suppose, are not so difficult as they appear ______.
A．to answer
B．to be answered
C．answering
D．being answered
答案
答案：A
题目分析：appear + to do是固定结构，故选A。
点评：对于固定短语的具体用法，平时要多归纳、总结和记忆。
