问题
选择题
.The question he asked is hard ____ ．
A．for answer
B．to answer
C．to be answered
D．answering
答案
答案：B
搜题请搜索小程序“爱下问搜题”
.The question he asked is hard ____ ．
A．for answer
B．to answer
C．to be answered
D．answering
答案：B
