We can't avoid traffic accidents unless everyone ________ the rules.（ ）
| A． |
follows |
B． |
breaks |
| C． |
will follow |
D． |
will break |
We can't avoid traffic accidents unless everyone ________ the rules.（ ）
| A． |
follows |
B． |
breaks |
| C． |
will follow |
D． |
will break |
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