摘要：33．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
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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
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
查看习题详情和答案>>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