. ________ when the boulders suddenly disappeared.
No sooner _________ he sat down to read the newspaper _________ the bell rang.
Betty shows great interest in the poem now, but she thought it boring _________ she read it.
It shames me to say it, but I told a lie when _________ at the meeting by my boss.
This picture was taken a long time ago. I wonder if you can _________ my father.
—Hi, Ben! You look upset. _________—I failed in the exam again.