摘要：If ,the experiment will be successful. A. carefully doing B . it done carefully C. carefully done D. doing carefully
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.If _____,the experiment will be successful.
A.carefully doing B . it done carefully C. carefully done D. doing carefully
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[ ]
A．If carefully doing
B．If it done carefully
C．If carefully done
D．If doing carefully
.If _____,the experiment will be successful.
|
A．carefully doing |
B．it done carefully |
C．carefully done |
D．doing carefully |
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