Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.
| A．carried on | B．carried out | C．carried away | D．carried off |
― It will be only 7 months before we take the college entrance examination
―Time flies! ________
| A．A light heart lives long. |
| B．We have time on our side. |
| C．Many heads are better than one. |
| D．Every minute counts. |
With a large amount of equipment________ ,the boss asked the employees to work extra hours.
| A．remaining to be repaired | B．remained to be repaired |
| C．remaining to repaire | D．remained to repaire |
Letters to the editor must carry the writer’s full name, which indicates that writers are _____for what they say．
| A．considerate | B．reasonable | C．independent | D．responsible |
It was ______ the president's speech that the secretary spent the whole morning at home.
| A．to prepare | B．preparing | C．prepared | D．be prepared |
The lecture given by Mr Johnson appealed and ______ with passion.
| A．was always listened | B．always was listened |
| C．was always listened to | D．always listened to |