【2015·北京】The park was full of people,____themselves in the sunshine.
| A．having enjoyed | B．enjoyed |
| C．enjoying | D．to enjoy |
_____who had arrested him three times for drug-taking.
| A．Before George did the policeman stand | B．Before George the policeman stood |
| C．Before the policeman stood George | D．Before George stood the policeman |
To help Tom improve his English, I_______ that he take some online courses.
| A．recommend | B．acknowledge | C．abandon | D．declare |
After retirement, she _____ herself in _______the poor children.
| A．occupied, helping | B．occupied, to help |
| C．devoted, to help | D．devoted, helping |
Preparations have been ______for the project and it can be started at any moment.
| A．contradicted | B．approved | C．made | D．purchased |
The professor, ________ his assistants, _______ conducting the experiment.
| A．in addition, is | B．as well, is |
| C．in addition to, are | D．as well as, is |