According to the companies" websites, the number of active QQ users in China has

题型：四川省期中题难度：来源：

According to the companies" websites, the number of active QQ users in China has reached 1 billion, while Qihoo 360 also claims _______ at least 300 million users before June 2010.[     ]
A. to have
B. to have had
C. having
D. having had

答案

举一反三

The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused
58 deaths and destroyed all the belongings of the people there.[ ]
A. have occurred
B. occur
C. have been occurring
D. be occurring

题型：同步题难度：| 查看答案

The German Nazis were considered        the Amber Room during World War II.   [    ]
A. to have stolen
B. stealing
C. having stolen
D. to steal

题型：同步题难度：| 查看答案

The boy who was believed _____ in the last exam was being questioned by the teacher when I entered his office. [     ]
A. to cheat
B. cheating
C. to have cheated
D. having cheated

题型：四川省月考题难度：| 查看答案

The bank is reported _______in the local newspaper in broad daylight yesterday.[     ]
A. to be robbed
B. to have robbed
C. to have been robbed
D. having been robbed

题型：河北省月考题难度：| 查看答案

Mr Caraway is said _____ . Who do you know has succeeded him?[     ]
A. to have retired
B. to be retiring
C. to retire
D. having retired

题型：月考题难度：| 查看答案