全部 单选题 多选题 填空题 判断题 问答题

• Icannotthinkofanything______ha
• Icannotthinkofanything______ha
• Hehasmadeadiscovery,___ofgreat
• Hehasmadeadiscovery,___ofgreat
• Therearemanyfascinatingcases__
• Therearemanyfascinatingcases__
• Iwillneverforgettheday___Ifirs
• Iwillneverforgettheday___Ifirs
• Theearliesttelephonesrequireda
• Theearliesttelephonesrequireda