问题
选择题
Once ________ more attention, the little trees could have grown better.
A．given
B．to give
C．giving
D．having given
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Once ________ more attention, the little trees could have grown better.
A．given
B．to give
C．giving
D．having given
答案：A