It was his nervousness in the interview______ probably lost him the job.

Did Jack come back early last night?— YesIt was not yet eight o’clock ______ he got home.[ ]

_____ is well known to the world is that China has very top technology in space industry．

tried phoning her office，but I couldn’t ________.

The other day, my father drove his car down at ____ I thought was a dangerous speed.