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题目
题型:0123 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
核心考点
试题【According to the companies" websites, the number of active QQ users in China has】;主要考察你对不定式等知识点的理解。[详细]
举一反三
I am supposed ______ you a valuable present for your birthday, but all my money ______.

[      ]

A. to give; was ran out
B. to have given; ran out
C. given; ran out
D. have given; was ran out
题型:0110 期中题难度:| 查看答案
He is said _________ his homework when the class teacher entered the classroom.
A. to do
B. doing
C. to have finished
D. to finish
题型:江苏月考题难度:| 查看答案
China is now the third country to conduct spacewalk, the other two _______ that are the former Soviet
Union and the US.

  [     ]

A. to achieve
B. having achieved
C. to have achieved
D. achieving
题型:山西省期末题难度:| 查看答案
You needn"t discuss the matter with him. He seemed ______ up his mind.
A. to have made
B. having made
C. to make
D. making
题型:浙江省月考题难度:| 查看答案
He is generally considered _____ the first computer.

[     ]

A. to invent
B. inventing
C. to have invented
D. having invented
题型:同步题难度:| 查看答案
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