I am not a little tired today after giving the room a thorough cleaning and I have never had ______today.
| A．as a tiring day as | B．tiring as a day as |
| C．as tiring a day as | D．day as a tiring as |
The machine is easy to _______if you follow the instructions.
| A．be operated | B．operate | C．be operated on | D．operate on |
_____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 |