问题
选择题
．The problem ________now is very important．
A．being discussed
B．discussed
C．discussing
D．to be discussed
答案
答案：A
搜题请搜索小程序“爱下问搜题”
．The problem ________now is very important．
A．being discussed
B．discussed
C．discussing
D．to be discussed
答案：A