In the experiment we kept a watchful eye ________ the development and recorded every detail.
| A．with | B．on | C．for | D．to |
Many children, _______parents are away working in big cities, are taken good care of in the village.
| A．their |
| B．whose |
| C．of them |
| D．with whom |
After graduating from college,l took some time off to go travelling, _______turned out to be a wise decision (2010 .四川)
| A．that |
| B．which |
| C．when |
| D．where |
John said he'd been working in the office for an hour,_______was true.
| A．he |
| B．this |
| C．which |
| D．who |
His movie won several awards at the film festival,_______was beyond his wildest dream.
| A．which |
| B．that |
| C．where |
| D．it |
York, _______last year, is a nice old city.
| A．that I visited |
| B．which I visited |
| C．where I visited |
| D．in which I visited |