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It is obvious to the students ______ they should get well prepared for their future.

________ in the school regulations that students should not wear long hair or jewels.

It is demanded that the plan _____ out as soon as possible.

        is known to all is that the Diaoyu Islands have belonged to China since ancient times.

____ was a great disappointment to us ____Tony didn’t come to the party.

      some people regard as a disadvantage is seen as an advantage by many others.

__________ golf was first played in Scotland in the 15^th century is generally agreed.

______ proves that Jack is really enthusiastic and cautious.

It worries the couple a lot ______ their only son is behaving worse and worse these days.

There’s no doubt        2013 will bring more change when the world economy is still unclear.