Whenpeoplecutdownbigtrees,newtreesshouldbeplanted．
问题详情：
When people cut down big trees, new trees should be planted． _______ they will have no trees to cut down in the future．
A． If not B． If so C． If no so D． If don’t
【回答】
A
知识点：倒装与省略
题型：选择题
问题详情：
When people cut down big trees, new trees should be planted． _______ they will have no trees to cut down in the future．
A． If not B． If so C． If no so D． If don’t
【回答】
A
知识点：倒装与省略
题型：选择题
