_____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
_____she become an artist may have been due to her father”s influence.
A,what B,how C,that D,when
It is obvious to the students ______ they should get well prepared for their future.
| A．as | B．which | C．whether | D．that |
______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.
| A．What, that | B．That, what | C．What, what | D．That, 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 known to all is that the Diaoyu Islands have belonged to China since ancient times.
| A．As | B．It | C．What | D．That |
____ was a great disappointment to us ____Tony didn’t come to the party.
| A．That; that | B．It; that | C．As; that | D．This; that |
some people regard as a disadvantage is seen as an advantage by many others.
| A．Whether | B．What | C．That | D．How |
_____ 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 |
粤公网安备 44130202000953号