问题
选择题
It's important for us ______ more trees every year． [ ]
A．to plant
B．planting
C．to cutting
D．cutting
答案
答案：A
搜题请搜索小程序“爱下问搜题”
It's important for us ______ more trees every year． [ ]
A．to plant
B．planting
C．to cutting
D．cutting
答案：A