.
_______ from endless homework on weekends, the students now find their own activities, such as attending school literature clubs.
| A．Having freed | B．Freeing | C．To be freed | D．Freed |
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 |
The oceans and seas ___the islands are deep blue and many cities lie ___ a bay.
| A．surrounding;in | B．surrounding;on | C．surrounded;in | D．surrounded;on |
We can see lots of small islands _________ the shore.
| A．on | B．off | C．along | D．beside |