【单选题】【消耗次数:1】
It _________ at Christmas that John Smith gave Mary a handbag.
must have
may have had
might have been
will be
参考答案:
复制
纠错
相关题目
【单选题】 It _________ at Christmas that John Smith gave Mary a handbag.
①  must have
②  may have had
③  might have been
④  will be
【单选题】 He might have been killed ____ the timely arrival of the ambulance.
①  but for
②  except for
③  besides
④  except
【单选题】 He might have been killed _____the timely arrival of the ambulance.
①  but for
②  except for
③  besides
④  except
【单选题】 Mary is one of the best friend _____________ I have ever had.
①  that
②  whom
【单选题】 24.He might have been killed ____the timely arrival of the ambulance. 
①  but for
②  except for
③  besides
④  except
【单选题】 —Who broke the window ? —Not me. It must have been ____ else.
①  someone
②  anyone
③  everybody
④  nobody
【单选题】 Areas where students have particular difficulty have been treated ____ particular care.
①  by
②  in
③  under
④  with
【判断题】 A: May I have your order now? B: No, I dont have a choice of meat.
①  正确
②  错误
【单选题】 Something must have happened on their way. Or they_____ by now.
①  should have arrived
②  should arrive
③  would have arrived
④  would arrive
【判断题】 A: May I have your order now? B: No, I don’t have a choice of meat.
①  正确
②  错误
随机题目
【单选题】 呼吸机管路是()度危险性物品
①  低度
②  中度
③  高度
④  较高度
⑤  都不是
【单选题】 呼吸机管路清洗中,湿化罐摆放不能超过()层
① 
② 
③ 
④ 
⑤ 
【单选题】 浸泡外管路时,含氯消毒剂浓度不能低于()mg/L
①  250
②  500
③  1000
④  2000
⑤  3000
【单选题】 浸泡外管路时,浸泡时间达到()分钟。
①  30
②  60
③  90
④  120
⑤  150
【单选题】 达芬奇机器人手术已经应用到()领域
①  泌尿外科
②  普通外科
③  胸外科
④  胃肠外科
⑤  以上都是
【单选题】 达芬奇机器人的()高清影像系统可以为医生提供真实的视野
①  2D
②  3D
③  4D
④  5D
⑤  3维动画
【单选题】 医生自行全面控制镜头,操作更加()
①  精准
②  准确
③  确定
④  明确
⑤  以上都不是
【单选题】 影响处理系统对手术视野具有()倍的放大倍数;
①  5
②  10
③  15
④  20
⑤  10-20
【单选题】 内窥镜包括()个冲洗口
①  1
②  2
③  3
④  4
⑤  5
【单选题】 标准预防的措施中,根据传播途径建立的隔离管理措施不包括:( )
①  接触隔离
②  空气隔离
③  母婴阻断
④  飞沫隔离
⑤  以上都不是