單項(xiàng)選擇題It was well known that Thomas Edison()the electric lamp.

A.invented 
B.discovered
C.found
D.developed


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1.單項(xiàng)選擇題It was in()the American astronauts succeeded in landing on the moon.

A.when
B.the moment 
C.which 
D.that

2.單項(xiàng)選擇題It was a great pleasure()me to be invited to the party.

A.for 
B.on 
C.to 
D.of

3.單項(xiàng)選擇題It is not always easy to tell the right()the wrong.

A.from 
B.with
C.than 
D.to

4.單項(xiàng)選擇題It is not always easy to tell the right()the wrong.

A.from  
B.with  
C.than  
D.to

5.單項(xiàng)選擇題It is high time we()something to stop road accidents.

A.did 
B.are doing 
C.will do 
D.do

6.單項(xiàng)選擇題It is high time that we()working to take a break.

A.should stop   
B.would stop   
C.stopped   
D.stop

7.單項(xiàng)選擇題It is believed that if a book is(),it will surely()the reader.

A.interested… interest 
B.interesting… be interested  
C.interested… be interesting  
D.interesting… interest

8.單項(xiàng)選擇題It is()for people to feel excited when they start doing something new.

A.normal
B.ordinary
C.average
D.regular

9.單項(xiàng)選擇題It has been ten years since the Labour Party came into()in that country.

A.control
B.force  
C.power
D.charge

10.單項(xiàng)選擇題It()that they had no idea at the moment.

A.seemed 
B.was seemed 
C.saw 
D.liked