單項(xiàng)選擇題On hearing a great noise, Mike looked forward through the window ()what happened outside the room.

A.to seeing
B.to see
C.seeing
D.to have seen


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1.單項(xiàng)選擇題Modern science and technology has ()communication between people far apart.

A.made convenient  
B.made it convenient
C.made it convenient for  
D.made it convenient to

3.單項(xiàng)選擇題Under no circumstance ()to tell lies to parents.

A.children are allowed  
B.are children allowed
C.children will allow   
D.will children allow

4.單項(xiàng)選擇題There has been a great increase in retail sales , ()﹖

A.does there    
B.isn't there  
C.hasn't there     
D.isn't it

5.單項(xiàng)選擇題The professor said he could talk on ()interested the audience.

A.any topic   
B.which topic 
C.whichever topic  
D.the topic he thought it