______is known to us all is that the 2008 olympic Games will take place in Beijing.
A,It B,What C,As D,Which
_______was most important to her,she told me,was her family.
A,It B,This C,What D,As
______the price of a shirt is low or not depends on the amount of material and labour involed in making it.
A,That B,What C,If D,whether
_____is today Britain used to be three different countries,and over many years the three countries became one.
A,It B,What C,Where D,As
______is estimated that a round-trip to Mars would take more than a year.
A,That B,what C,There D,It
______leaves the room last ought to turn off the lights.
A,The person B,whoever C,Who D,Anyone
It is obvious to the students ______ they should get well prepared for their future.
| A．as | B．which | C．whether | D．that |
________ in the school regulations that students should not wear long hair or jewels.
| A．It is required | B．What is required |
| C．What requires | D．It required |
It is demanded that the plan _____ out as soon as possible.
| A．must be carried | B．is to carry out | C．carried | D．be carried |
_____ is certain is ______ the mystery of Stonehenge has never been fully explained.
| A．It, that | B．What, what |
| C．It, what | D．What, that |
__________ golf was first played in Scotland in the 15th century is generally agreed.
| A．Whether | B．Why | C．That | D．What |
______ proves that Jack is really enthusiastic and cautious.
| A．It happened that | B．When it happened | C．What happened | D．That has happened |
It worries the couple a lot ______ their only son is behaving worse and worse these days.
| A．how | B．why | C．that | D．what |
It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.
| A．that, which | B．/, / | C．that, that | D．which, that |
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