-----Why don’t we choose that road to save time?
----The bridge to it ________.
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.
| A．are to challenge | B．have challenged |
| C．are challenging | D．have been challenged |
— Can you give me the right answer?
—Sorry, I ______ . Would you repeat that question?
| A．hadn't listened | B．haven't listened | C．don't listen | D．wasn't listening |
It’s politely requested by the hotel management that radios _____after 10 o’clock at night.
| A．were not played | B．not to play | C．not be played | D．did not play |
In the_____of proof , the police could not take action against the man .
| A．lack | B．shortage | C．absence | D．failure http:/ |
By the time I swa the angry expression on his face, I ______ exactly what I was having to face. But not for a moment _______ I should quit.
| A．had known; I thought | B．have known; had I thought |
| C．would know; I would think | D．knew; did I think |