题文
In our school, the students have three__________ courses and seven __________courses.
| A．required ;alternative | B．require ;alternative |
| C．requiring ; alternative | D．reqiure;alternative |
推荐试卷
In our school, the students have three__________ courses and seven __________courses.
| A．required ;alternative | B．require ;alternative |
| C．requiring ; alternative | D．reqiure;alternative |
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