It will be five years ____ we meet again.
| A．since | B．after | C．before | D．when |
He has his faults, but _________he is a good student.
| A．in all | B．after all | C．all in all | D．above all |
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 |