It was ______ in the exam that ______ how much time I had wasted.
| A．not until I failed;I realized | B．until I failed; I didn’t realize |
| C．not until I failed; did I realize | D．until I failed; I realized |
. The meeting ___ over, I found her ___ at the desk and ____ to the music.
| A．to be; sitting; listened | B．is; sitting; listened |
| C．was; seating; listening | D．being; seated; listening |
There were signs here and there, _____ people to look out for ___rocks.
| A．warned; fallen | B．warning; fallen | C．warning; falling | D．warned; falling |
From his ___ voice, I have to say that you are really ____.
| A．disappointing; disappointing | B．disappointed; disappointed |
| C．disappointing; disappointed | D．disappointed; disappointing |
—Why did the girl spend the whole day __ up in her room, ____?
—She failed in the college entrance examination.
| A．locked; weeping | B．locking; wept | C．to lock; weeping | D．being locked; wept |
When ___ this medicine, it is a good idea to avoid ______ alcohol.
| A．taking; drinking | B．taken; drinking | C．taking; to drink | D．taken; to drink |