Don’t do that. It is impolite to play jokes _____ others.
| A．at | B．with |
| C．for | D．on |
The president, together with his bodyguard，__________ to the nuclear station __________ there was an accident 20 minutes ago.
| A．have come; which | B．came; in which |
| C．has come; where | D．came; in which |
A person, when he or she is young, can't read __________ many books.
| A．so | B．such |
| C．too | D．either |
The question which will be discussed next week has something __________ our salary.
| A．to do | B．do with |
| C．to do with | D．do |
A new __________ to teaching English is being used here, and it has been proven to be very helpful to the students.
| A．way | B．system |
| C．approach | D．method |
Unluckily, when I dropped in, Dr. Smith __________，so we only had time for a few words.
| A．was just leaving | B．has just left |
| C．had just left | D．just left |