79. Ming and Qing tombs have ______ relatively undamaged. They, ______, have suffered some damage from centuries of exposure, wars and deliberate destruction.
| A．left; nevertheless | B．been remained; however |
| C．survived; though | D．excited; yet |
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 |
The student _________ forward to going abroad for further study.
| A．referred to looks | B．referred to look | C．refers to look | D．referring to look |
Some of this heat near the earth's surface _________ make electricity.
| A．is used for | B．is used to | C．gets used to | D．used to |