________on ten years of observation and study, Professor Wang announced that e

题型：四川省同步题难度：来源：

________on ten years of observation and study,   Professor Wang announced that everyone dreams
every night,   whether they realize it or not.[     ]
A. Basing
B. Based
C. Been based
D. Having based

答案

举一反三

— Will the match be cancelled because of the bad weather?
— No. Rain or shine,   the match will be held as ______.[      ]
A. schedule
B. scheduling
C. scheduled
D. to schedule

题型：四川省同步题难度：| 查看答案

Here are some new computer programs _____ for home buildings.   [     ]
A. designing
B. design
C. to design
D. designed

题型：陕西省模拟题难度：| 查看答案

Such habits as smoking and cheating， once ________， are hard to get rid of.[     ]
A．forms
B．forming
C．having formed
D．formed

题型：四川省同步题难度：| 查看答案

The research is so designed that once ______ nothing can be done to change it.[ ]
A. begins
B. having begun
C. beginning
D. begun

题型：陕西省模拟题难度：| 查看答案

The man ________ of shooting six children was caught by the police, the Xinhua News, reported on
Friday.   [     ]
A. being suspected
B. suspecting
C. suspected
D. to be suspected

题型：江苏同步题难度：| 查看答案