Nobody noticed the thief slip into the house because the lights happened to__________.
| A．put up | B．give in | C．be turned on | D．go out |
His first book _______ next month is based on a true story.
| A．published | B．to be published |
| C．to publish | D．being published |
—Can I really get a car as a reward if I win the race?—Absolutely!________.
| A．It all depends | B．I mean it |
| C．You’ve got me there | D．So will you |
My father did buy the CD, ________ he actually doesn’t appreciate the music in it at all.
| A．so | B．because | C．while | D．or |
Jim who is now our English teacher once ________ as a manager in an international
cooperation for 5 years.
| A．worked | B．had worked |
| C．was working | D．has worked |
_________ a certain doubt among the students as to the necessity of the work.
| A．It existed | B．There existed |
| C．They had | D．There had |