A-A+
If the struggle for a sustainable society_____
问题详情
If the struggle for a sustainable society______, we must have some vision of what we are aiming for.
A．is to succeed
B．has succeeded
C．succeeds
D．succeeded
参考答案
正确答案：D
解析：由have some vision of…可以看出句中说的还未成为现实，所以根据时态可以判断出本题的正确答案为D。空格处的意思是：如果斗争成功。
