___________ the Internet is bridging the distance between people; it may be breaking some homes or will cause other family problems.
| A． When | B．While | C．If | D．As |
Miss Li _______ as a secretary for five years in the company, and now she is general manager of it.
| A．has served | B．had served | C．served | D．serves |
I heard the clock eight when I woke up.
| A．beating | B．striking | C．hitting | D．knocking |
We'll have to work the clock if we want to complete the work on time.
| A．beyond | B．over | C．against | D．from |
Much to my, I’m unable to accept your kind invitation.
| A．fault | B．duty | C．guide | D．regret |
In this workshop, the output of July was three times of January.
| A．that | B．this | C．one | D．it |