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| Definitely choose A1' | Definitely choose B1' | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
A1': at the expense of 1 day of studying time, participate in an extracurricular activity for 1 day tomorrow.
B1': at the expense of 2 days of studying time, participate in an extracurricular activity for 2 days in a week.
