She reached the top of the hill and stopped ________ on a big rock by the side of the path.
| A．to have rested | B．resting |
| C．to rest | D．rest |
—Are you ready for Spain?
—Yes, I want the girls to experience that __________ they are young.
| A．while |
| B．until |
| C．if |
| D．before |
Nancy enjoyed herself so much __________ she visited her friends in Sydney last year.
| A．that |
| B．which |
| C．when |
| D．where |
Peter was so excited __________ he received an invitation from his friend to visit Chongqing.
| A．where |
| B．that |
| C．why |
| D．when |
You can't borrow books from the school library __________ you get your student card.
| A．before |
| B．if |
| C．while |
| D．as |
She had just finished her homework __________ her mother asked her to practise playing the piano yesterday.
| A．when |
| B．while |
| C．after |
| D．since |