She wears ______ long hair while her husband wears _______ long beard.
| A．a; a | B．/; a | C．/; / | D．a; / |
Was it on a lonely islandhe was saved one month after the boat went down.
| A．where |
| B．that |
| C．which |
| D．what |
John's success has nothing to do with good luck. It is years of hard work _______has made him a great scientist today.
| A．that |
| B．when |
| C．which |
| D．why |
It was 80 years before Christopher Columbus crossed the Atlantic______ Zheng sailed to East Africa
| A．when |
| B．that |
| C．after |
| D．since |
It was not until near the end of the letter ______ she mentioned her own plan.
| A．where |
| B．that |
| C．why |
| D．when |
It was only after he had read the papersMr. Gross realized the task before him was extremely difficult to complete.
| A．when |
| B．that |
| C．which |
| D．What |