To keep healthy, Professor Johnson _________ cycling as a regular form of exercise
after he retired.
| A．took up | B．caught on | C．carried out | D．made for |
Cindy seems ______her new job.
| A．content | B．content with | C．content to | D．content for |
His father died , ______his family even worse off.
| A．to leave | B．left | C．leaving | D．leave |
Only when we failed ________ the importance of study.
| A．we realized | B．we had realized | C．did we realize | D．had we realised |
He rushed as fast as he could, ______not to be late for class.
| A．to hope | B．being hoped | C．hope | D．hoping |
city
| A．uncle | B．rescue | C．citizen | D．ocean |