I don"t know whether you happen _____, but I"m going to study in the U.S.A this

题型：辽宁省高考真题难度：来源：

I don"t know whether you happen _____, but I"m going to study in the U.S.A this September.

[ ]

A. to be heard
B. to be hearing
C. to hear
D. to have heard

答案

举一反三

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

题型：0123 期中题难度：| 查看答案

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