"___ Libya's oil production returns to normal, I guess, it will be fifteen months," said a UN expert．
| A．After | B．That | C．Before | D．Since |
—How much do you know about the 3D film technology?
—A little. Not until _______ the hot movie Avatar _______ something about it.
| A．did I see; did I begin to learn | B．I saw; did I begin to learn |
| C．I saw; I began to learn | D．did I see; I began to learn |
— How can I wake up so early?
— Set the alarm at 5 o’clock, you’ll make it.
| A．but | B．or | C．and | D．so |
Mr. Smith didn’t understand _____ made his son so upset that evening.
| A．what was it | B．why it was this | C．how that was | D．what it was that |
Although cats can not see in complete darkness, their eyes are much more ______ to light than human eyes.
| A．brilliant | B．attractive | C．available | D．sensitive |
Don’t mention that at the beginning of the story, or it may _______ the shocking ending.
| A．give out | B．give away | C．give up | D．give off |