--Haven't you seen Mr. Wilson at the lecture?
--Yes, but he had left _________ I could ask him any questions.
| A．when | B．before | C．after | D．as |
Deeply his unhappy childhood, the boy’s seemed quite odd and strange.
| A．relating to; characters | B．associated with; personality |
| C．linked by; virtues | D．connecting to; morality |
The workers could hardly the boss’s bad temper but under his supervision they had tothemselves to working harder.
| A．tolerate; contribute | B．bear; dedicate |
| C．stand; resign | D．put up with; invest |
I don’t like the way ________ you speak to her.
| A．of which | B．in that | C．which | D．that |
The professor along with his assistant came in, ________ by a group of excited students.
| A．follow | B．following | C．followed | D．to follow |
Nobody noticed the thief enter the house because the lights happened to _______.
| A．go over | B．go through | C．go on | D．go out |