非谓语动词专练
1. The speaker raised his voice but still couldn’t make himself____ .                                                           
  A. hear    B. to hear    C. hearing    D. heard
2. On afternoon,  Mrs. Green went to the market, ____ some bananas ,and visited her cousin.                
  A. bought     B. buying       C. to buy      D. writing
3. --I usually go there by train.
  --Why not ____ by boat for a change?  
  A. to try going   B. trying to go  C. to try and go  D. try going