Every one of us must know：________we live can we save the earth.
| A．by changing the way only |
| B．only by changing the way |
| C．by only changing the way |
| D．by changing only the way |
相关试题
The UN is trying to ______ the world ________ hunger.
| A．get rid of; by | B．rid; of | C．be rid of ;by | D．get rid; of |
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