Don’t handle the vase as if it ____ made of steel．
| A．were | B．is |
| C．has been | D．had been |
31. They demanded that the books __to the school library at once.
| A．return | B．should return | C．be returned | D．would be returned |
30. He insisted on going abroad to have further study ____ his parents objection.
| A．by means of | B．in favour of | C．regardless of | D．on purpose of |
29. ____ time and labour, you should join hands ____ him in the business.
| A．To save; with | B．Saved; with  |
C．Saving; with | D．Having saved; by |
Many students signed up for the _____ race in the sports meeting to be held next week.w
| A．800-meter-long | B．800-meters- long | C．800 meter length | D．800 meters length |
27. Johnson ____ for 5 years for political reasons when he was young.
| A．was put in prison | B．was in the prison | C．got out of prison | D．was in prison |