The students are discussing what ____ at present.A、has done B、was done C、will be done D、should be done

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The students are discussing what ____ at present.A、has done B、was done C、will be done D、should be done
The students are discussing what ____ at present.
A、has done B、was done C、will be done D、should be done

The students are discussing what ____ at present.A、has done B、was done C、will be done D、should be done
D
学生们现在正在讨论应该做什么
A 的时态语态都不对.B 的时态不对.C,D 都可以,相对来说D 较好些.