The old professor told us every part of the materials should be made use of ______ the power station.
| 
   A.to build  | 
  
   B.building  | 
 
| 
   C.build  | 
  
   D.built  | 
 
I got out of the taxi, _____ the fare and dashed into the station.
| 
   A.paid  | 
  
   B.paying  | 
 
| 
   C.to pay  | 
  
   D.having paid  | 
 
“Do you have anything more ______, sir?” “No. You can have a rest or do something else.”
| 
   A.typing  | 
  
   B.to be typed  | 
 
| 
   C.typed  | 
  
   D.to type  | 
 
Remind me _______ the medicine tomorrow.
| 
   A.of taking  | 
  
   B.taking  | 
 
| 
   C.to take  | 
  
   D.take  | 
 
The court hears about 120 cases a year; visitors are welcome to see a case ______.
| 
   A.argued  | 
  
   B.to be argued  | 
 
| 
   C.to be arguing  | 
  
   D.being argued  | 
 
Anyone ______ trying to take knives on heard flights would be caught by the police.
| 
   A.finds  | 
  
   B.found  | 
 
| 
   C.being found  | 
  
   D.will find  | 
 
