In the school hall, where a meeting , some students are busy preparing for
题型：不详难度：来源：
In the school hall, where a meeting , some students are busy preparing for it.| A．is held | B．has been held | C．is being held | D．is to be held |
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答案
| D |
解析
| 考查时态。句意：在在要举行会议的学校大厅里，一些学生们正在忙碌的为此做准备。结合语境可知定语从句中描述的是将来的动作。不定式做表语可以表示计划打算进行的动作，故选D。 |
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