Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
| A．pile up | B．build up | C．keep up | D．pull up |
_________ some 3 500 kilometers from Polynesia to New Zealand.
| A．There is | B．It is |
| C．It has | D．There lies |
.Can you describe the climate _________ New Zealand?
| A．close to | B．next to |
| C．in relation to | D．referring to |
The majority of the students here _________ English hard.
| A．practises speaking | B．practise speaking |
| C．practices to speak | D．practise to speak |
About 6% of the population in New Zealand _________ Asians.
| A．are | B．is |
| C．make up | D．are from |
Einstein was famous _________ a scientist _________ his Theory of Relativity.
| A．for;for | B．as;for |
| C．for;as | D．as;as |