They didn't play volleyball the day before yesterday．____？（ ）
| A． |
do they |
B． |
don't they |
| C． |
did they |
D． |
didn't they |
They didn't play volleyball the day before yesterday．____？（ ）
| A． |
do they |
B． |
don't they |
| C． |
did they |
D． |
didn't they |
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