【单选题】—Why are you so _______? Didn't you get enough sleep last night? —I studied f'or the English test till midnight. [ ]
【单选题】当发电机的负载减小时,其转速和功率角的变化情况是()。
【简答题】我们的公司成立于1995年,位于中国灯饰之都古镇。
【判断题】凡是在酒店前厅礼宾部工作的员工都可以参加金钥匙组织。
【单选题】What I worried about was ______.
A.
them not having studied well
B.
they had not studied well
C.
their not having studied well
D.
their not studied well